sawczuk.dev

Get an email when its DNS, website or certificate changes.

sawczuk.dev serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

Its busiest IP address is shared with 1,100 other domains.

The most recent crawl returned the page title “DevOps Consultant: Kubernetes, GitOps & Cloud Cost | Sawczuk” and 25,486 bytes of HTML. The site links to X and LinkedIn profiles.

Domain properties

Property	Value	Explanation
Top-level domain	.dev	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	The domain redirects to https.
Redirect to www.	no	The domain redirects to www.domain.
Only with www.	no	The domain can only be reached with the subdomain "www".
Only DNS, no website	no	There are no A or AAAA records in DNS.
IP-Address	Both	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	0	Number of domains that redirect to this domain.
Reverse IP	4,384	Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "sawczuk.dev"}'

Create a free account Read the API docs

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer	Google Trust Services
Valid from	9/22/2026
Valid to	12/21/2026
Time until expiry	58 days

Last successful crawl

Title	DevOps Consultant: Kubernetes, GitOps & Cloud Cost \| Sawczuk
Description	Independent DevOps and platform engineer in Poland (EU), 10 years in production. Lower cloud bills, faster deploys, calmer on-call. Start with a 1–2 week analysis.
Content-Length	25,486 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	First seen
104.21.66.234	8/18/2026
172.67.209.88	8/18/2026
75.2.60.5	12/10/2023

IPv6 address	First seen
2606:4700:3036:0:0:0:ac43:d158	8/18/2026
2606:4700:3037:0:0:0:6815:42ea	8/18/2026

Mail server	Priority	First seen
mxa.mailgun.org	10	5/3/2024
mxb.mailgun.org	10	5/3/2024
gmr-smtp-in.l.google.com	5	12/31/2023
alt1.gmr-smtp-in.l.google.com	10	12/31/2023
alt2.gmr-smtp-in.l.google.com	20	12/31/2023

Name server	First seen
derek.ns.cloudflare.com	10/13/2024
tara.ns.cloudflare.com	10/13/2024
ns-cloud-c1.googledomains.com	12/10/2023
ns-cloud-c2.googledomains.com	12/10/2023
ns-cloud-c3.googledomains.com	12/10/2023

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

104.21.66.234 1,101 domains · here since 9/15/2026

Domain	On this IP since
zuznke.asia	10/22/2026
zuxoc.sbs	9/16/2026
zumapoke.com	9/15/2026
zs117.cn	9/13/2026
zrtrlgbdhvtwf.space	9/17/2026
zonregel.info	9/13/2026
zimplid.com.br	9/15/2026
zifev.com	9/17/2026
ziatogel-jbcad.store	10/12/2026
zelenidol.com	9/17/2026
zanzanad.cn	9/14/2026
zacla.store	9/13/2026
and 1,088 more

172.67.209.88 1,101 domains · here since 9/15/2026

Domain	On this IP since
zuznke.asia	10/22/2026
zuxoc.sbs	9/16/2026
zumapoke.com	9/15/2026
zs117.cn	9/13/2026
zrtrlgbdhvtwf.space	9/17/2026
zonregel.info	9/13/2026
zimplid.com.br	9/15/2026
zifev.com	9/17/2026
ziatogel-jbcad.store	10/12/2026
zelenidol.com	9/17/2026
zanzanad.cn	9/14/2026
zacla.store	9/13/2026
and 1,088 more

2606:4700:3036::ac43:d158 1,091 domains · here since 9/15/2026

Domain	On this IP since
zuznke.asia	10/22/2026
zuxoc.sbs	9/16/2026
zumapoke.com	9/15/2026
zs117.cn	9/13/2026
zrtrlgbdhvtwf.space	9/17/2026
zonregel.info	9/13/2026
zimplid.com.br	9/15/2026
zifev.com	9/17/2026
zidhub.com	9/14/2026
ziatogel-jbcad.store	10/12/2026
zelenidol.com	9/17/2026
zanzanad.cn	9/14/2026
and 1,078 more

2606:4700:3037::6815:42ea 1,091 domains · here since 9/15/2026

Domain	On this IP since
zuznke.asia	10/22/2026
zuxoc.sbs	9/16/2026
zumapoke.com	9/15/2026
zs117.cn	9/13/2026
zrtrlgbdhvtwf.space	9/17/2026
zonregel.info	9/13/2026
zimplid.com.br	9/15/2026
zifev.com	9/17/2026
zidhub.com	9/14/2026
ziatogel-jbcad.store	10/12/2026
zelenidol.com	9/17/2026
zanzanad.cn	9/14/2026
and 1,078 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.

Dive into our data, search now!