`biblenumbers.com`

DNSSEC	⚠️ Not signed
A	173.225.21.50^{🇺🇸 DF-3361173.225.20.0/23 Proxy registration}
		PTR	`web150.ultrawebhosting.com`
NS	`ns1.ultranameservers.com` ⭐
		A	173.225.20.100^{🇺🇸 DF-3361173.225.20.0/23 Proxy registration}
			PTR	`ns1.ultranameservers.com`
NS	`ns2.ultranameservers.com`
		A	173.225.21.100^{🇺🇸 DF-3361173.225.20.0/23 Proxy registration}
			PTR	`ns2.ultranameservers.com`
NS	`ns3.ultranameservers.com`
		A	54.149.182.85^{🇺🇸 Amazon54.148.0.0/15 EC2 PDX prefix}
			PTR	`affiliates.ultrawebhosting.com`
MX	`biblenumbers.com` ⭐
		A	173.225.21.50^{🇺🇸 DF-3361173.225.20.0/23 Proxy registration}
			PTR	`web150.ultrawebhosting.com`
TXT	`v=spf1 +a +mx +ip4:173.225.21.50 +ip4:173.225.21.30 ~all`
SOA	`ns1.ultranameservers.com`support@ultrawebhosting.com 2026-02-11 #1

`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=1774664172

MX for

biblenumbers.com

Same first word

biblenumbers.com

DNS History

11 records (5 active, 6 former)

○NSns01.domaincontrol.com2007-11-06 → 2017-04-02 · 4 obs

● 2007-11-06 18:59:34
● 2017-04-02 12:15:42
○ 2026-03-28 02:38:30
○ 2026-03-28 02:38:32

○NSns02.domaincontrol.com2007-11-06 → 2017-04-02 · 4 obs

● 2007-11-06 18:59:34
● 2017-04-02 12:15:42
○ 2026-03-28 02:38:30
○ 2026-03-28 02:38:32

●NSns1.ultranameservers.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-02 12:15:42
● 2026-03-28 02:38:30
● 2026-03-28 02:38:32

●NSns2.ultranameservers.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-02 12:15:42
● 2026-03-28 02:38:30
● 2026-03-28 02:38:32

●NSns3.ultranameservers.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-02 12:15:42
● 2026-03-28 02:38:30
● 2026-03-28 02:38:32

●MXbiblenumbers.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-02 12:15:42
● 2026-03-28 02:38:30
● 2026-03-28 02:38:32

○MXmailstore1.secureserver.net2007-11-06 → 2017-04-02 · 4 obs

● 2007-11-06 18:59:34
● 2017-04-02 12:15:42
○ 2026-03-28 02:38:30
○ 2026-03-28 02:38:32

○MXsmtp.secureserver.net2007-11-06 → 2017-04-02 · 4 obs

● 2007-11-06 18:59:34
● 2017-04-02 12:15:42
○ 2026-03-28 02:38:30
○ 2026-03-28 02:38:32

●A173.225.21.502026-03-28 → 2026-03-28 · 3 obs

○ 2017-04-02 12:15:42
● 2026-03-28 02:38:30
● 2026-03-28 02:38:32

○A64.202.163.352007-11-06 → 2007-11-06 · 3 obs

● 2007-11-06 18:59:34
○ 2015-08-13 08:55:14
○ 2026-03-28 02:38:32

○A72.167.232.2252015-08-13 → 2017-04-02 · 5 obs

○ 2007-11-06 18:59:34
● 2015-08-13 08:55:14
● 2017-04-02 12:15:42
○ 2026-03-28 02:38:30
○ 2026-03-28 02:38:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...	-
biblenumbers.com	ns1.ultranameservers.com, ns2.ultranameservers.com, ns3.ultranameservers.com	3 records

✅ Authoritative Response

Server:54.149.182.85

NS records: ns1.ultranameservers.com, ns2.ultranameservers.com, ns3.ultranameservers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biblenumbers.com (unsigned zone)

⏱️ Timing

Total: 336ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`173.225.21.50`
NS	3	`ns3.ultranameservers.com, ns1.ultranameservers.com...`
MX	1	`biblenumbers.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:173.225.21.50 +ip4:17`
SOA	1	`ns1.ultranameservers.com support.ultrawe`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.ultranameservers.com, ns2.ultranameservers.com, ns3.ultranameservers.com)

Analysis

Mail Server Role

biblenumbers.com serves as the mail server for biblenumbers.com.

IP Addresses

biblenumbers.com points to a single IP number: 173.225.21.50.

Other host names, for instance mail.artdreesor.com, floridawarbirds.org, scomsc.com, dxer.com and cbf-ink.com share IP numbers with biblenumbers.com.

Name Servers

The delegation for biblenumbers.com is handled by three name servers: ns1.ultranameservers.com, ns2.ultranameservers.com and ns3.ultranameservers.com.

biblenumbers.com at least partially shares name servers with other domains, for instance bacco.org, iamku.com, amaquae.com, ordsweb.com and pittsburghchiropractic.org.

These name servers are often used together with ns1.fluxservices.com, ns1-web28.ultrawebsitehosting.com, ns2-web28.ultrawebsitehosting.com, ns1-web26.ultrawebsitehosting.com and ns2-web26.ultrawebsitehosting.com.

Host names with one IP number:

ns1.ultranameservers.com points to 173.225.20.100.

ns2.ultranameservers.com points to 173.225.21.100.

ns3.ultranameservers.com points to 54.149.182.85.

Mail Servers

A single mail server handles biblenumbers.com.

biblenumbers.com points to a single IP: 173.225.21.50.

biblenumbers.com - robtex.com