stringtheory.us - dns.ninja

`stringtheory.us`

DNSSEC	⚠️ Not signed
A	151.101.1.195^{🇺🇸 Fastly151.101.0.0/22}
A	151.101.65.195^{🇺🇸 Fastly151.101.64.0/22}
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		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`
TXT	`facebook-domain-verification=xad5d7g6vp89bkcypew77th08tyfz5`
TXT	`firebase=stringtheory-us`
TXT	`google-site-verification=kSiSlozXq6j8EYLQCl2RN8eEmjP5SMQCiPnM_Fg0Hkg`
TXT	`v=spf1 include:_spf.firebasemail.com ~all`
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1572586964

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1786265050

Same first word

stringtheory.us

stringtheory.co.za

stringtheory.co

stringtheory.cc

stringtheory.club

stringtheory.blog

stringtheory.me

stringtheory.com.au

stringtheory.pl

stringtheory.fr

stringtheory.com

Similar names

thornytigers.com

DNS History

32 records (11 active, 21 former)

●NSns1.dnsimple-edge.com2026-05-24 → 2026-08-09 · 3 obs

○ 2026-04-07 12:59:06
● 2026-05-24 16:05:04
● 2026-08-09 09:52:26

○NSns1.dnsimple.com2026-03-24 → 2026-04-07 · 5 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-04-07 12:59:06
○ 2026-05-24 16:05:04
○ 2026-08-09 09:52:26

○NSns1.uniregistry-dns.com2017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○NSns1.uniregistry-dns.net2017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

●NSns2.dnsimple-edge.net2026-03-24 → 2026-08-09 · 3 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

○NSns2.uniregistry-dns.com2017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○NSns2.uniregistry-dns.net2017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

●NSns3.dnsimple-edge.io2026-05-24 → 2026-08-09 · 3 obs

○ 2026-04-07 12:59:06
● 2026-05-24 16:05:04
● 2026-08-09 09:52:26

○NSns3.dnsimple.com2026-03-24 → 2026-04-07 · 5 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-04-07 12:59:06
○ 2026-05-24 16:05:04
○ 2026-08-09 09:52:26

●NSns4.dnsimple-edge.org2026-03-24 → 2026-08-09 · 3 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

○NSpdns05.domaincontrol.com2015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 22:23:48
● 2016-04-08 00:27:16
○ 2016-09-18 21:17:04
○ 2026-08-09 09:52:26

○NSpdns06.domaincontrol.com2015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 22:23:48
● 2016-04-08 00:27:16
○ 2016-09-18 21:17:04
○ 2026-08-09 09:52:26

●MXalt1.aspmx.l.google.com2026-03-24 → 2026-08-09 · 3 obs

○ 2016-09-18 21:17:04
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

●MXalt2.aspmx.l.google.com2026-03-24 → 2026-08-09 · 3 obs

○ 2016-09-18 21:17:04
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

●MXaspmx.l.google.com2026-03-24 → 2026-08-09 · 3 obs

○ 2016-09-18 21:17:04
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

●MXaspmx2.googlemail.com2026-03-24 → 2026-08-09 · 3 obs

○ 2016-09-18 21:17:04
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

●MXaspmx3.googlemail.com2026-03-24 → 2026-08-09 · 3 obs

○ 2016-09-18 21:17:04
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

○MXmailstore1.secureserver.net2015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 22:23:48
● 2016-04-08 00:27:16
○ 2016-09-18 21:17:04
○ 2026-08-09 09:52:26

○MXsmtp.secureserver.net2015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 22:23:48
● 2016-04-08 00:27:16
○ 2016-09-18 21:17:04
○ 2026-08-09 09:52:26

●A151.101.1.1952026-03-24 → 2026-08-09 · 3 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

●A151.101.65.1952026-03-24 → 2026-08-09 · 3 obs

○ 2017-09-14 03:15:38
● 2026-03-24 23:51:28
● 2026-08-09 09:52:26

○A31.184.192.1762017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A37.139.57.1262017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A37.139.57.482017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A46.161.49.1802017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A46.161.49.2372017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A5.101.0.312017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A5.101.6.2002017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A5.8.48.402017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A5.8.49.202017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A5.8.54.1302017-09-14 → 2017-09-14 · 4 obs

○ 2016-09-18 21:17:04
● 2017-09-14 03:15:38
○ 2026-03-24 23:51:28
○ 2026-08-09 09:52:26

○A50.63.202.632015-06-28 → 2016-04-08 · 4 obs

● 2015-06-28 22:23:48
● 2016-04-08 00:27:16
○ 2016-09-18 21:17:04
○ 2026-08-09 09:52:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
stringtheory.us	ns4.dnsimple-edge.org, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com, ns2.dnsimple-edge.net	-

✅ Authoritative Response

Server:199.247.153.53

NS records: ns4.dnsimple-edge.org, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com, ns2.dnsimple-edge.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stringtheory.us (unsigned zone)

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`151.101.1.195, 151.101.65.195`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	4	`facebook-domain-verification=xad5d7g6vp8, firebase=stringtheory-us...`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

Analysis

IP Addresses

stringtheory.us directs to two IP numbers, 151.101.1.195 and 151.101.65.195

Two other host names, along with jerrysel.in, aaronsorensen.dev and beta.gitflowchart.com, also share IP numbers with stringtheory.us.

Name Servers

The NS records for stringtheory.us point to four name servers: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

stringtheory.us partially shares its NS delegation with several other domains, including bluecoding.com, somethingdelicio.us, cairn.com and two others.

These name servers are regularly seen alongside ns1.dnsimple.com and ns3.dnsimple.com as name servers.

ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org each carry two IP addresses. ns1.dnsimple-edge.com has 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple-edge.io has 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net has 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org has 199.247.155.53 and 2620:111:8007::53.

Mail Servers

Mail for stringtheory.us is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between stringtheory.us and other domains, including ns500731.ns500671.ns500754.ns500731.ns500731.ns500688.ns500688.ns500678.ns500678.ns500688.tenderladiesbz.com, ns500698.ns500759.ns500759.ns500698.ns500736.ns500736.ns500735.ns500576.ns500698.ns500698.trackreceptor.com, ns500699.ns500734.ns500734.ns500699.ns500693.ns500699.ns500693.ns500693.ns500683.ns500683.ns500683.ns500699.ns500612.ns500110.dtrkdll.com and two others.

These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

The A records for aspmx2.googlemail.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for aspmx.l.google.com return 142.251.163.26 and 2607:f8b0:4004:c0b::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 192.178.234.27 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.