`mathfordummies.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns5.afternic.com` ⭐
		A	2603:5:2134::42^{🇺🇸 GODADDY-DNS2603:5:2130::/44}
			PTR	`ns5.afternic.com`
		A	97.74.99.66^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns5.afternic.com`
NS	`ns6.afternic.com`
		A	2603:5:2234::42^{🇺🇸 GODADDY-DNS2603:5:2230::/44}
			PTR	`ns6.afternic.com`
		A	173.201.67.66^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns6.afternic.com`
NS	`verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns5.afternic.com`dns@jomax.net 2025-09-30 #0

`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=1775000657

Same first word

mathfordummies.com

DNS History

24 records (5 active, 19 former)

○NSns1.above.com2015-11-24 → 2016-06-20 · 5 obs

○ 2015-07-16 18:46:28
● 2015-11-24 10:58:20
● 2016-06-20 07:03:10
○ 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○NSns1.dnsnuts.com2017-02-07 → 2017-02-07 · 3 obs

○ 2016-06-20 07:03:10
● 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○NSns1.fastpark.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 19:14:54
○ 2015-07-16 18:46:28
○ 2026-03-31 23:53:42

○NSns1.rookdns.com2015-07-16 → 2015-07-16 · 4 obs

○ 2008-03-14 19:14:54
● 2015-07-16 18:46:28
○ 2015-11-24 10:58:20
○ 2026-03-31 23:53:42

○NSns2.above.com2015-11-24 → 2016-06-20 · 5 obs

○ 2015-07-16 18:46:28
● 2015-11-24 10:58:20
● 2016-06-20 07:03:10
○ 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○NSns2.dnsnuts.com2017-02-07 → 2017-02-07 · 3 obs

○ 2016-06-20 07:03:10
● 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○NSns2.fastpark.net2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 19:14:54
○ 2015-07-16 18:46:28
○ 2026-03-31 23:53:42

○NSns2.rookdns.com2015-07-16 → 2015-07-16 · 4 obs

○ 2008-03-14 19:14:54
● 2015-07-16 18:46:28
○ 2015-11-24 10:58:20
○ 2026-03-31 23:53:42

●NSns5.afternic.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-02-07 02:00:48
● 2026-03-31 23:53:42

●NSns6.afternic.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-02-07 02:00:48
● 2026-03-31 23:53:42

○NSns77.domaincontrol.com2026-03-31 → 2026-03-31 · 1 obs

○ 2026-03-31 23:53:42

○NSns78.domaincontrol.com2026-03-31 → 2026-03-31 · 1 obs

○ 2026-03-31 23:53:42

●NSverification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn2026-03-31 → 2026-03-31 · 2 obs

○ 2017-02-07 02:00:48
● 2026-03-31 23:53:42

○MXmail.mxproc.com2015-07-16 → 2015-07-16 · 4 obs

○ 2008-03-14 19:14:54
● 2015-07-16 18:46:28
○ 2015-11-24 10:58:20
○ 2026-03-31 23:53:42

○MXmail.post-host.net2015-11-24 → 2016-06-20 · 5 obs

○ 2015-07-16 18:46:28
● 2015-11-24 10:58:20
● 2016-06-20 07:03:10
○ 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○A103.224.212.2402015-11-24 → 2016-06-20 · 5 obs

○ 2015-07-16 18:46:28
● 2015-11-24 10:58:20
● 2016-06-20 07:03:10
○ 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

●A13.248.169.482026-03-31 → 2026-03-31 · 2 obs

○ 2017-02-07 02:00:48
● 2026-03-31 23:53:42

○A13.248.213.452026-03-31 → 2026-03-31 · 1 obs

○ 2026-03-31 23:53:42

○A141.8.224.252015-07-16 → 2015-07-16 · 4 obs

○ 2008-03-14 19:14:54
● 2015-07-16 18:46:28
○ 2015-11-24 10:58:20
○ 2026-03-31 23:53:42

○A167.114.156.2142017-02-07 → 2017-02-07 · 3 obs

○ 2016-06-20 07:03:10
● 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

○A216.8.177.232008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 19:14:54
○ 2015-07-16 18:46:28
○ 2026-03-31 23:53:42

○A5.39.99.502017-02-07 → 2017-02-07 · 3 obs

○ 2016-06-20 07:03:10
● 2017-02-07 02:00:48
○ 2026-03-31 23:53:42

●A76.223.54.1462026-03-31 → 2026-03-31 · 2 obs

○ 2017-02-07 02:00:48
● 2026-03-31 23:53:42

○A76.223.67.1892026-03-31 → 2026-03-31 · 1 obs

○ 2026-03-31 23:53:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mathfordummies.com	ns5.afternic.com, ns6.afternic.com, verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn	2 records

✅ Authoritative Response

Server:97.74.99.66

NS records: ns5.afternic.com, ns6.afternic.com, verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathfordummies.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns5.afternic.com, ns6.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns5.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.afternic.com, ns6.afternic.com)

Analysis

IP Addresses

mathfordummies.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance aalhc.com, micromine.xyz, sidelock.com, mail.wxyc.com and aaqr.com share IP numbers with mathfordummies.com.

Name Servers

The domain mathfordummies.com is delegated to three name servers: ns5.afternic.com, ns6.afternic.com and verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn.

mathfordummies.com shares name servers with other domains at least partially, for instance fewl.org, ns2.elegantdesign.ca, privecabo.com, prta.com and interstate.us.

these name servers are often used together with the name servers verification-gakbzzzqmt6gkcplw4efpp.ns101.verify.hn.

Host names with two IP numbers:

ns5.afternic.com points to 2603:5:2134::42 and 97.74.99.66

ns6.afternic.com points to 2603:5:2234::42 and 173.201.67.66

verification-mdzaaqbc9wh5xb8j4cudbd.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146

mathfordummies.com - robtex.com