`callahansgs.com`

DNSSEC	⚠️ Not signed
A	64.62.148.54^{🇺🇸 HURRICANE64.62.128.0/18 Hurricane Electric 55 South Market St San Jose, CA}
NS	`ns1.atnserver.net` ⭐
		A	191.101.166.2^{🇺🇸 TIER-NET191.101.166.0/24}
			PTR	`server1.atnserver.net`
NS	`ns2.atnserver.net`
		A	191.101.166.3^{🇺🇸 TIER-NET191.101.166.0/24}
MX	`mail.callahansgs.com` ⭐
		A	191.101.166.2^{🇺🇸 TIER-NET191.101.166.0/24}
			PTR	`server1.atnserver.net`
TXT	`v=spf1 +a +mx +ip4:191.101.166.2 +ip4:198.12.66.82 +include:relay.mailchannel...`
TXT	`google-site-verification=8tmY8J5DoCOpoKRQM2IoNtP1Kr6aWsfaYlN7p1SGASQ`
TXT	`MS=ms27536039`
SOA	`ns1.atnserver.net`richard@host4u2.com 2026-04-16 #3

`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.net`nstld@verisign-grs.com serial=1777038551

Previously MX for

callahansgs.com

Subdomains

mail.callahansgs.com

Same first word

callahansgs.com

DNS History

8 records (4 active, 4 former)

●NSns1.atnserver.net2015-07-20 → 2026-04-24 · 2 obs

● 2015-07-20 06:02:24
● 2026-04-24 14:00:38

●NSns2.atnserver.net2015-07-20 → 2026-04-24 · 2 obs

● 2015-07-20 06:02:24
● 2026-04-24 14:00:38

○MXcallahansgs.com2015-07-20 → 2020-03-07 · 4 obs

● 2015-07-20 06:02:24
● 2020-03-07 05:30:16
○ 2026-02-15 23:04:42
○ 2026-04-24 14:00:38

●MXmail.callahansgs.com2026-02-15 → 2026-04-24 · 3 obs

○ 2020-03-07 05:30:16
● 2026-02-15 23:04:42
● 2026-04-24 14:00:38

○A198.12.66.822020-03-07 → 2020-03-07 · 4 obs

○ 2017-03-31 00:38:46
● 2020-03-07 05:30:16
○ 2026-02-15 23:04:42
○ 2026-04-24 14:00:38

○A63.143.34.1622017-03-31 → 2017-03-31 · 4 obs

○ 2016-04-09 19:34:56
● 2017-03-31 00:38:46
○ 2020-03-07 05:30:16
○ 2026-04-24 14:00:38

●A64.62.148.542026-02-15 → 2026-04-24 · 3 obs

○ 2020-03-07 05:30:16
● 2026-02-15 23:04:42
● 2026-04-24 14:00:38

○A69.162.66.342015-07-20 → 2016-04-09 · 4 obs

● 2015-07-20 06:02:24
● 2016-04-09 19:34:56
○ 2017-03-31 00:38:46
○ 2026-04-24 14:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
callahansgs.com	ns1.atnserver.net, ns2.atnserver.net	-

✅ Authoritative Response

Server:191.101.166.3

NS records: ns1.atnserver.net, ns2.atnserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for callahansgs.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.62.148.54`
NS	2	`ns1.atnserver.net, ns2.atnserver.net`
MX	1	`mail.callahansgs.com (pri: 0)`
TXT	3	`v=spf1 +a +mx +ip4:191.101.166.2 +ip4:19, google-site-verification=8tmY8J5DoCOpoKR...`
SOA	1	`ns1.atnserver.net richard.host4u2.com`

Analysis

Hierarchy

callahansgs.com is the parent of mail.callahansgs.com.

IP Addresses

callahansgs.com resolves to a single IP address: 64.62.148.54.

Other host names including armourconstruction.com, divinepaintingservices.com, storenfinancial.com, aalawns.com and southtexasoutfitters.com share IP numbers with callahansgs.com.

Name Servers

callahansgs.com's delegation uses two name servers, ns1.atnserver.net and ns2.atnserver.net.

callahansgs.com shares the same name server setup as other domains, for example stepinback.com, hook-em.net, sosremote.net, austintexas.net and regnerrealty.com.

callahansgs.com at least partially shares name servers with other domains; for instance atnserver.net.

These name servers are commonly used with ns3.atnserver.net and ns4.atnserver.net.

Host names with a single IP:

ns1.atnserver.net points to 191.101.166.2.

ns2.atnserver.net points to 191.101.166.3.

Mail Servers

callahansgs.com is handled by a single mail server, mail.callahansgs.com.

mail.callahansgs.com points to a single IP: 191.101.166.2.

callahansgs.com - robtex.com

callahansgs.com

com