mathspec.com - dns.ninja

`mathspec.com`

DNSSEC	⚠️ Not signed
A	185.146.167.198^{🇬🇧 TWENTYI185.146.167.0/24}
NS	`ns1.stackdns.com` ⭐
		A	35.197.225.59^{🇬🇧 Google35.197.224.0/20}
			PTR	`59.225.197.35.bc.googleusercontent.com`
NS	`ns2.stackdns.com`
		A	146.148.28.88^{🇧🇪 Google146.148.16.0/20}
			PTR	`88.28.148.146.bc.googleusercontent.com`
NS	`ns3.stackdns.com`
		A	35.198.79.191^{🇩🇪 Google35.198.64.0/20}
			PTR	`191.79.198.35.bc.googleusercontent.com`
NS	`ns4.stackdns.com`
		A	104.196.137.209^{🇺🇸 Google104.196.128.0/20}
			PTR	`209.137.196.104.bc.googleusercontent.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`paddle-verification=1411a20e`
SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1755080491

`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=1781121603

Previously MX for

mathspec.com

Same first word

mathspec.com

Similar names

DNS History

15 records (10 active, 5 former)

●NSns1.stackdns.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

○NSns14.midphase.com2015-07-17 → 2020-03-29 · 4 obs

● 2015-07-17 17:48:00
● 2020-03-29 16:57:48
○ 2026-04-25 12:45:10
○ 2026-06-10 20:07:24

○NSns15.midphase.com2015-07-17 → 2020-03-29 · 4 obs

● 2015-07-17 17:48:00
● 2020-03-29 16:57:48
○ 2026-04-25 12:45:10
○ 2026-06-10 20:07:24

○NSns16.midphase.com2015-07-17 → 2020-03-29 · 4 obs

● 2015-07-17 17:48:00
● 2020-03-29 16:57:48
○ 2026-04-25 12:45:10
○ 2026-06-10 20:07:24

●NSns2.stackdns.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●NSns3.stackdns.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●NSns4.stackdns.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●MXalt1.aspmx.l.google.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●MXalt2.aspmx.l.google.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●MXalt3.aspmx.l.google.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●MXalt4.aspmx.l.google.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

●MXaspmx.l.google.com2026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

○MXmathspec.com2015-07-17 → 2020-03-29 · 4 obs

● 2015-07-17 17:48:00
● 2020-03-29 16:57:48
○ 2026-04-25 12:45:10
○ 2026-06-10 20:07:24

●A185.146.167.1982026-04-25 → 2026-06-10 · 3 obs

○ 2020-03-29 16:57:48
● 2026-04-25 12:45:10
● 2026-06-10 20:07:24

○A50.115.112.1422015-07-17 → 2020-03-29 · 4 obs

● 2015-07-17 17:48:00
● 2020-03-29 16:57:48
○ 2026-04-25 12:45:10
○ 2026-06-10 20:07:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mathspec.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:35.198.79.191

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathspec.com (unsigned zone)

⏱️ Timing

Total: 973ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.146.167.198`
NS	4	`ns1.stackdns.com, ns2.stackdns.com...`
MX	5	`ALT1.ASPMX.L.GOOGLE.com (pri: 5), ALT3.ASPMX.L.GOOGLE.com (pri: 10)...`
TXT	1	`paddle-verification=1411a20e`
SOA	1	`ns1.stackdns.com hostmaster.stackdns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

IP Addresses

mathspec.com has exactly one IP address — 185.146.167.198.

i-140.com, k70.org, westerschool.net plus two other host names have IP numbers in common with mathspec.com.

Name Servers

mathspec.com is delegated to four name servers, ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

There is at least partial name server overlap between mathspec.com and other domains — anthonyshort.co.uk, lubeitanduseit.co.uk, harryphotos.com and two more among them.

Four host names, each with one IP address: ns1.stackdns.com has 35.197.225.59, ns2.stackdns.com has 146.148.28.88, ns3.stackdns.com has 35.198.79.191 and ns4.stackdns.com has 104.196.137.209.

Mail Servers

mathspec.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by mathspec.com are shared with other domains: dababees.com, ns500765.ns500734.ns500693.ns500734.ns500734.ns500699.ns500699.ns500588.ns500693.ns500588.ns500588.ns500683.ns500588.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, ns500699.ns500765.ns500693.ns500693.ns500693.ns500699.ns500693.ns500693.ns500699.ns500699.ns500693.ns500699.ns500699.ns500699.ns500588.ns500588.ns500612.ns500588.dtrkdll.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 173.194.45.26 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.