postbookcity.com - robtex.com

postbookcity.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5982🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:bd48🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.130Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.72🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoleman.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoleman.ns.cloudflare.com
A2803:f800:50::6ca2:c340🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoleman.ns.cloudflare.com
A2a06:98c1:50::ac40:2340🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoleman.ns.cloudflare.com
A108.162.195.64🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoleman.ns.cloudflare.com
A162.159.44.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoleman.ns.cloudflare.com
A172.64.35.64🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoleman.ns.cloudflare.com
NSmeadow.ns.cloudflare.com
A2606:4700:50::a29f:2633🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeadow.ns.cloudflare.com
A2803:f800:50::6ca2:c233🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmeadow.ns.cloudflare.com
A2a06:98c1:50::ac40:2233🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmeadow.ns.cloudflare.com
A108.162.194.51🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeadow.ns.cloudflare.com
A162.159.38.51Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeadow.ns.cloudflare.com
A172.64.34.51🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmeadow.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.130, 172.67.189.72
IPv6 hints2606:4700:3030::6815:5982, 2606:4700:3037::ac43:bd48
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAcoleman.ns.cloudflare.comdns@cloudflare.com serial=2405684048

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1780684886

Same first word

postbookcity.com

DNS History

10 records (6 active, 4 former)

2020202120222023202420252026NScoleman.ns.cloudflare.commeadow.ns.cloudflare.comns5.dnsdun.comns5.dnsdun.netA104.21.89.130172.67.189.722606:4700:3030::6815:59822606:4700:3037::ac43:bd48154.195.210.116156.225.59.61
●NScoleman.ns.cloudflare.com2026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42
●NSmeadow.ns.cloudflare.com2026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42
○NSns5.dnsdun.com2019-12-15 → 2019-12-15 · 2 obs
● 2019-12-15 17:47:04
○ 2026-06-05 18:59:42
○NSns5.dnsdun.net2019-12-15 → 2019-12-15 · 2 obs
● 2019-12-15 17:47:04
○ 2026-06-05 18:59:42
●A104.21.89.1302026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42
○A154.195.210.1162026-06-05 → 2026-06-05 · 1 obs
○ 2026-06-05 18:59:42
○A156.225.59.612019-12-15 → 2019-12-15 · 2 obs
● 2019-12-15 17:47:04
○ 2026-06-05 18:59:42
●A172.67.189.722026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42
●A2606:4700:3030::6815:59822026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42
●A2606:4700:3037::ac43:bd482026-06-05 → 2026-06-05 · 2 obs
○ 2019-12-15 17:47:04
● 2026-06-05 18:59:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
postbookcity.commeadow.ns.cloudflare.com, coleman.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.64

NS records: meadow.ns.cloudflare.com, coleman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postbookcity.com (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.89.130, 172.67.189.72
AAAA22606:4700:3030::6815:5982, 2606:4700:3037::ac43:bd48
NS2coleman.ns.cloudflare.com, meadow.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coleman.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (meadow.ns.cloudflare.com, meadow.ns.cloudflare.com, meadow.ns.cloudflare.com...)

Analysis

IP Addresses

postbookcity.com has 4 IP addresses: 104.21.89.130, 172.67.189.72, 2606:4700:3030::6815:5982 and 2606:4700:3037::ac43:bd48.

kmarket.ro, geedo.nl, mail.dentistainmiami.com and two other host names share IP numbers with postbookcity.com.

Name Servers

postbookcity.com is served by two delegated name servers, coleman.ns.cloudflare.com and meadow.ns.cloudflare.com.

postbookcity.com uses the same name servers as several other domains — among them janeeyer.com, bjjmcy.com, relay-network.com and two more.

There is at least partial name server overlap between postbookcity.com and other domains — tunibet365.com, monstjeanbaptiste.com, sislimega.site and two more among them.

These name servers tend to appear in combination with the name servers arvind.ns.cloudflare.com, brady.ns.cloudflare.com, veronica.ns.cloudflare.com and fish.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

coleman.ns.cloudflare.com maps to six IP addresses: 108.162.195.64, 162.159.44.64, 172.64.35.64 and three others.

meadow.ns.cloudflare.com maps to six IP addresses: 108.162.194.51, 162.159.38.51, 172.64.34.51 and three others.