gcfbook.com - robtex.com
gcfbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sharesdns.com ⚠️ Not in zone NS records | ||||||
| A | 154.23.191.194🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.194🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.sharesdns.com ⚠️ Not in zone NS records | ||||||
| A | 154.23.191.195🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 154.86.21.195🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
m.gcfbook.com |
Same first word
gcfbook.com |
DNS History
12 records (2 active, 10 former)
○NSf1g1ns1.dnspod.net2015-06-02 → 2016-04-14 · 4 obs
● 2015-06-02 01:05:20
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
○NSf1g1ns2.dnspod.net2015-06-02 → 2016-04-14 · 4 obs
● 2015-06-02 01:05:20
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
○NSns1.namebrightdns.com2017-01-02 → 2017-01-02 · 4 obs
○ 2016-04-14 03:50:50
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
●NSns1.sharesdns.com2026-02-24 → 2026-03-13 · 3 obs
○ 2017-01-02 23:52:14
● 2026-02-24 16:23:58
● 2026-03-13 02:03:46
● 2026-02-24 16:23:58
● 2026-03-13 02:03:46
○NSns2.namebrightdns.com2017-01-02 → 2017-01-02 · 4 obs
○ 2016-04-14 03:50:50
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
●NSns2.sharesdns.com2026-02-24 → 2026-03-13 · 3 obs
○ 2017-01-02 23:52:14
● 2026-02-24 16:23:58
● 2026-03-13 02:03:46
● 2026-02-24 16:23:58
● 2026-03-13 02:03:46
○A103.41.52.722015-06-02 → 2016-04-14 · 4 obs
● 2015-06-02 01:05:20
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
● 2016-04-14 03:50:50
○ 2017-01-02 23:52:14
○ 2026-03-13 02:03:46
○A172.247.41.22026-02-24 → 2026-03-13 · 2 obs
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○ 2026-03-13 02:03:46
○A54.86.217.1322017-01-02 → 2017-01-02 · 4 obs
○ 2016-04-14 03:50:50
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○A54.88.146.1592017-01-02 → 2017-01-02 · 4 obs
○ 2016-04-14 03:50:50
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○CNAMEcaught.dropcatch.com2017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○CNAMEnbparking-lb-1977168523.us-east-1.elb.amazonaws.com2017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 23:52:14
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
○ 2026-02-24 16:23:58
○ 2026-03-13 02:03:46
🔍 DNS Trace
Analysis
Hierarchy
gcfbook.com is the parent of m.gcfbook.com.
Name Servers
gcfbook.com is delegated to two name servers ns1.sharesdns.com and ns2.sharesdns.com.
gcfbook.com shares the same name server setup as other domains, for instance 21windows.com, zyqzyyjy.com, cqsuoke.com, kmshellac.com and ynjiali.com.
Host names with two IP numbers:
The host name ns1.sharesdns.com points to 154.23.191.194 and 154.86.21.194; the host name ns2.sharesdns.com points to 154.23.191.195 and 154.86.21.195.