pc4b.com - robtex.com

pc4b.com

DNSSEC⚠️ Not signed
A2400:8500:1301:162::23:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2011.coreserver.jp
A163.44.177.23🇯🇵 GMO-INTERNET163.44.177.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXpc4b.com ⭐
A2400:8500:1301:162::23:1🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2011.coreserver.jp
A163.44.177.23🇯🇵 GMO-INTERNET163.44.177.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv2011.coreserver.jp
TXTv=spf1 ip4:163.44.177.23 ip6:2400:8500:1301:162::23:1 include:mxr.valueserver...
SOAns1.value-domain.comhostmaster@pc4b.com 2025-09-07 #21

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=1774600592

MX for

pc4b.com

Subdomains

ns2.pc4b.com

Same first word

pc4b.com

Similar names

pcb4.com
4pcb.net
4pbc.com
b4pc.com
cbp4.com
4pcb.de
4pcb.com
4pcb.eu

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comls.pc4b.comns1.livedns.co.ukns1.pc4b.comns2.livedns.co.ukns2.pc4b.comns3.livedns.co.ukMXpc4b.comA163.44.177.232400:8500:1301:162::23:1142.155.89.20213.171.195.10582.6.130.177
○NSls.pc4b.com2015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 00:06:18
○ 2015-12-07 22:47:04
○ 2026-03-27 08:53:18
○NSns1.livedns.co.uk2018-07-11 → 2018-07-11 · 4 obs
○ 2016-03-21 02:10:30
● 2018-07-11 08:53:42
○ 2026-02-27 04:04:00
○ 2026-03-27 08:53:18
○NSns1.pc4b.com2015-08-10 → 2016-03-21 · 5 obs
● 2015-08-10 00:06:18
○ 2015-12-07 22:47:04
● 2016-03-21 02:10:30
○ 2018-07-11 08:53:42
○ 2026-03-27 08:53:18
●NSns1.value-domain.com2026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
○NSns2.livedns.co.uk2018-07-11 → 2018-07-11 · 4 obs
○ 2016-03-21 02:10:30
● 2018-07-11 08:53:42
○ 2026-02-27 04:04:00
○ 2026-03-27 08:53:18
○NSns2.pc4b.com2015-08-10 → 2016-03-21 · 4 obs
● 2015-08-10 00:06:18
● 2016-03-21 02:10:30
○ 2018-07-11 08:53:42
○ 2026-03-27 08:53:18
●NSns2.value-domain.com2026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
○NSns3.livedns.co.uk2018-07-11 → 2018-07-11 · 4 obs
○ 2016-03-21 02:10:30
● 2018-07-11 08:53:42
○ 2026-02-27 04:04:00
○ 2026-03-27 08:53:18
●NSns3.value-domain.com2026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
●NSns4.value-domain.com2026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
●NSns5.value-domain.com2026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
●MXpc4b.com2026-02-27 → 2026-03-27 · 2 obs
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
○A142.155.89.202016-03-21 → 2016-03-21 · 4 obs
○ 2015-08-10 00:06:18
● 2016-03-21 02:10:30
○ 2018-07-11 08:53:42
○ 2026-03-27 08:53:18
●A163.44.177.232026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
○A213.171.195.1052018-07-11 → 2018-07-11 · 4 obs
○ 2016-03-21 02:10:30
● 2018-07-11 08:53:42
○ 2026-02-27 04:04:00
○ 2026-03-27 08:53:18
●A2400:8500:1301:162::23:12026-02-27 → 2026-03-27 · 3 obs
○ 2018-07-11 08:53:42
● 2026-02-27 04:04:00
● 2026-03-27 08:53:18
○A82.6.130.1772015-08-10 → 2016-03-21 · 4 obs
● 2015-08-10 00:06:18
● 2016-03-21 02:10:30
○ 2018-07-11 08:53:42
○ 2026-03-27 08:53:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...-
pc4b.comns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...5 records

✅ Authoritative Response

Server:172.64.53.3

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pc4b.com (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

TypeCountSample Data
A1163.44.177.23
AAAA12400:8500:1301:162::23:1
NS2ns2.value-domain.com, ns1.value-domain.com
MX1pc4b.com (pri: 10)
TXT1v=spf1 ip4:163.44.177.23 ip6:2400:8500:1
SOA1ns1.value-domain.com hostmaster.pc4b.com

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)

Analysis

Hierarchy

ns2.pc4b.com has pc4b.com as its parent.

Mail Server Role

The mail server for pc4b.com is pc4b.com.

IP Addresses

pc4b.com points to two IPs: 2400:8500:1301:162::23:1 and 163.44.177.23.

Other host names, for instance mail.breeze-crew.net, minatoph.com, dolly.jp, 0hs.org and cucumberblog.com share IP numbers with pc4b.com.

Name Servers

pc4b.com delegates to five name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com and ns5.value-domain.com.

pc4b.com at least partially shares name servers with other domains such as atnt.co.jp, stepjuku.com, kaomojich.com, artaquarium.jp and debug112233.com.

These name servers are commonly used alongside ns11.value-domain.com, ns12.value-domain.com and ns13.value-domain.com.

Host names with two IP numbers:

ns1.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

ns3.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

ns4.value-domain.com points to: 172.64.53.3 and 172.64.53.115.

ns5.value-domain.com points to: 172.64.52.38 and 172.64.52.161.

Names pointing to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.

Names pointing to 172.64.52.161: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.

Names pointing to 172.64.53.3: ns2.value-domain.com and ns4.value-domain.com.

Names pointing to 172.64.53.115: ns2.value-domain.com and ns4.value-domain.com.

Mail Servers

One mail server serves pc4b.com.

Host name pc4b.com points to IPs 2400:8500:1301:162::23:1 and 163.44.177.23.