mathlab.info - dns.ninja

`mathlab.info`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US} ✓ In HTTPS hints
NS	`ns-cloud-e1.googledomains.com` ⭐
		A	2001:4860:4802:32::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e1.googledomains.com`
		A	216.239.32.110^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-e1.googledomains.com`
NS	`ns-cloud-e2.googledomains.com`
		A	2001:4860:4802:34::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e2.googledomains.com`
		A	216.239.34.110^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-e2.googledomains.com`
NS	`ns-cloud-e3.googledomains.com`
		A	2001:4860:4802:36::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e3.googledomains.com`
		A	216.239.36.110^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-e3.googledomains.com`
NS	`ns-cloud-e4.googledomains.com`
		A	2001:4860:4802:38::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e4.googledomains.com`
		A	216.239.38.110^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-e4.googledomains.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/2, HTTP/1.1 ✓ hints match
		IPv4 hints	198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOA	`ns-cloud-e1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1780809769

DNS History

18 records (9 active, 9 former)

○NSmaster.dns.ne.jp2015-06-24 → 2016-11-26 · 4 obs

● 2015-06-24 19:54:28
● 2016-11-26 20:31:42
○ 2019-06-28 05:02:50
○ 2026-06-07 06:01:08

●NSns-cloud-e1.googledomains.com2026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●NSns-cloud-e2.googledomains.com2026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●NSns-cloud-e3.googledomains.com2026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●NSns-cloud-e4.googledomains.com2026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

○NSns1.dns.ne.jp2015-06-24 → 2016-11-26 · 4 obs

● 2015-06-24 19:54:28
● 2016-11-26 20:31:42
○ 2019-06-28 05:02:50
○ 2026-06-07 06:01:08

○NSns1.parkingcrew.net2019-06-28 → 2019-06-28 · 4 obs

○ 2016-11-26 20:31:42
● 2019-06-28 05:02:50
○ 2020-09-21 22:45:14
○ 2026-06-07 06:01:08

○NSns2.dns.ne.jp2015-06-24 → 2016-11-26 · 4 obs

● 2015-06-24 19:54:28
● 2016-11-26 20:31:42
○ 2019-06-28 05:02:50
○ 2026-06-07 06:01:08

○NSns2.parkingcrew.net2019-06-28 → 2019-06-28 · 4 obs

○ 2016-11-26 20:31:42
● 2019-06-28 05:02:50
○ 2020-09-21 22:45:14
○ 2026-06-07 06:01:08

○MXmail.h-email.net2019-06-28 → 2019-06-28 · 4 obs

○ 2016-11-26 20:31:42
● 2019-06-28 05:02:50
○ 2020-09-21 22:45:14
○ 2026-06-07 06:01:08

○MXmathlab.info2015-06-24 → 2016-11-26 · 4 obs

● 2015-06-24 19:54:28
● 2016-11-26 20:31:42
○ 2019-06-28 05:02:50
○ 2026-06-07 06:01:08

●MXsmtp.google.com2026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

○A185.53.179.222019-06-28 → 2019-06-28 · 4 obs

○ 2016-11-26 20:31:42
● 2019-06-28 05:02:50
○ 2020-09-21 22:45:14
○ 2026-06-07 06:01:08

●A198.185.159.1442026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●A198.185.159.1452026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●A198.49.23.1442026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

●A198.49.23.1452026-03-18 → 2026-06-07 · 3 obs

○ 2020-09-21 22:45:14
● 2026-03-18 13:54:56
● 2026-06-07 06:01:08

○A219.94.163.1532015-06-24 → 2016-11-26 · 4 obs

● 2015-06-24 19:54:28
● 2016-11-26 20:31:42
○ 2019-06-28 05:02:50
○ 2026-06-07 06:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
mathlab.info	ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com	-

✅ Authoritative Response

Server:216.239.36.110

NS records: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathlab.info (unsigned zone)

⏱️ Timing

Total: 4793ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.144, 198.49.23.145...`
NS	4	`ns-cloud-e4.googledomains.com, ns-cloud-e2.googledomains.com...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`ns-cloud-e1.googledomains.com cloud-dns-`

Analysis

IP Addresses

With 4 IP addresses, mathlab.info directs to 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Name Servers

mathlab.info is served by 4 authoritative name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.

The host names ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com each resolve to two IP addresses: ns-cloud-e1.googledomains.com resolves to 216.239.32.110 and 2001:4860:4802:32::6e; ns-cloud-e2.googledomains.com resolves to 216.239.34.110 and 2001:4860:4802:34::6e; ns-cloud-e3.googledomains.com resolves to 216.239.36.110 and 2001:4860:4802:36::6e; ns-cloud-e4.googledomains.com resolves to 216.239.38.110 and 2001:4860:4802:38::6e.

Mail Servers

mathlab.info routes its mail through a single mail server, smtp.google.com.

With 9 IP numbers overall, smtp.google.com directs to 142.251.167.26, 173.194.45.26, 192.178.155.26 and six others.