`post-office.dev`

DNSSEC	⚠️ Not signed
A	64.29.17.1^{🇺🇸 Amazon64.29.17.0/24 EC2 Prefix}
A	64.29.17.65^{🇺🇸 Amazon64.29.17.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p13.nsone.net`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1779666799

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

Similar names

tpso-office.de

office-post.com

office-post.ru

office-post.us

office-post.de

DNS History

6 records (4 active, 2 former)

●NSns1.vercel-dns.com2026-05-29 → 2026-07-27 · 2 obs

● 2026-05-29 15:57:42
● 2026-07-27 02:36:30

●NSns2.vercel-dns.com2026-05-29 → 2026-07-27 · 2 obs

● 2026-05-29 15:57:42
● 2026-07-27 02:36:30

○A216.198.79.12026-05-29 → 2026-07-15 · 4 obs

● 2026-05-29 15:57:42
○ 2026-06-24 21:44:34
● 2026-07-15 05:48:28
○ 2026-07-27 02:36:30

○A216.198.79.652026-05-29 → 2026-05-29 · 3 obs

● 2026-05-29 15:57:42
○ 2026-07-15 05:48:28
○ 2026-07-27 02:36:30

●A64.29.17.12026-07-27 → 2026-07-27 · 2 obs

○ 2026-07-15 05:48:28
● 2026-07-27 02:36:30

●A64.29.17.652026-06-24 → 2026-07-27 · 3 obs

○ 2026-05-29 15:57:42
● 2026-06-24 21:44:34
● 2026-07-27 02:36:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
post-office.dev	ns2.vercel-dns.com, ns1.vercel-dns.com	-

✅ Authoritative Response

Server:198.51.45.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for post-office.dev (unsigned zone)

⏱️ Timing

Total: 467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`64.29.17.1, 216.198.79.1`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

Analysis

IP Addresses

post-office.dev directs to two IP numbers, 64.29.17.1 and 64.29.17.65

browseanything.io, venusclub.net, www.kutzmann.pl and two other host names share IP numbers with post-office.dev.

Name Servers

DNS delegation for post-office.dev points to two name servers: ns1.vercel-dns.com and ns2.vercel-dns.com.

post-office.dev uses the same name servers as several other domains — among them iisanet.org, fern.chat, thomasbritton.co.uk and two more.

post-office.dev shares at least some of its name servers with other domains, including keisukesasaki.com, greensactive.org, codeperf.com and two others.

These name servers are frequently paired with the name servers b.zeit-world.co.uk, c.zeit-world.org and e.zeit-world.com.

ns1.vercel-dns.com directs to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1. ns2.vercel-dns.com directs to 198.51.45.13 and 2a00:edc0:6259:7:13::2. Each host name carries two IP addresses.

post-office.dev - robtex.com

post-office.dev

dev