stringtheory.pl - dns.ninja

`stringtheory.pl`

DNSSEC	⚠️ Not signed
A	91.236.131.82^{🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST}
		PTR	`host-9123613182.seohost-mail.eu`
NS	`ns1.seohost.pl` ⭐
		A	185.200.47.250^{🇵🇱 DATASPACE185.200.44.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18520047250.seohost-mail.eu`
		A	188.210.221.52^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18821022152.seohost-mail.eu`
NS	`ns2.seohost.pl`
		A	188.210.221.179^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210221179.seohost-mail.eu`
		A	188.210.223.253^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210223253.seohost-mail.eu`
MX	`mail.stringtheory.pl` ⭐
		A	91.236.131.82^{🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST}
			PTR	`host-9123613182.seohost-mail.eu`
TXT	`v=spf1 redirect=_spf-h82.microhost.pl`
SOA	`ns1.seohost.pl`hostmaster@stringtheory.pl 2026-07-30 #3

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐
	NS	`b-dns.pl`
	NS	`d-dns.pl`
	NS	`f-dns.pl`
	NS	`h-dns.pl`
	NS	`j-dns.pl`
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1786170913

Subdomains

mail.stringtheory.pl

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

15 records (4 active, 11 former)

○NSns1.atthost.pl2026-03-12 → 2026-04-11 · 5 obs

○ 2020-02-16 18:01:30
● 2026-03-12 22:11:16
● 2026-04-11 09:48:06
○ 2026-05-19 15:28:40
○ 2026-08-09 07:09:58

●NSns1.seohost.pl2026-05-19 → 2026-08-09 · 3 obs

○ 2026-04-11 09:48:06
● 2026-05-19 15:28:40
● 2026-08-09 07:09:58

○NSns1.x14.eu2015-07-05 → 2017-03-21 · 6 obs

● 2015-07-05 22:50:00
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
● 2017-03-21 06:18:06
○ 2020-02-16 18:01:30
○ 2026-08-09 07:09:58

○NSns1.yum.pl2016-02-10 → 2020-02-16 · 5 obs

○ 2015-11-15 07:18:16
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-08-09 07:09:58

○NSns2.atthost.pl2026-03-12 → 2026-04-11 · 5 obs

○ 2020-02-16 18:01:30
● 2026-03-12 22:11:16
● 2026-04-11 09:48:06
○ 2026-05-19 15:28:40
○ 2026-08-09 07:09:58

●NSns2.seohost.pl2026-05-19 → 2026-08-09 · 3 obs

○ 2026-04-11 09:48:06
● 2026-05-19 15:28:40
● 2026-08-09 07:09:58

○NSns3.x25.pl2015-07-05 → 2015-11-15 · 4 obs

● 2015-07-05 22:50:00
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
○ 2026-08-09 07:09:58

○NSns3.yum.pl2016-02-10 → 2020-02-16 · 5 obs

○ 2015-11-15 07:18:16
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-08-09 07:09:58

●MXmail.stringtheory.pl2026-03-26 → 2026-08-09 · 6 obs

○ 2026-03-12 22:11:16
● 2026-03-26 23:50:26
● 2026-04-09 11:58:24
○ 2026-04-11 09:48:06
● 2026-05-19 15:28:40
● 2026-08-09 07:09:58

○MXmx-md05l.vipserv.org2016-02-10 → 2020-02-16 · 5 obs

○ 2015-11-15 07:18:16
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-08-09 07:09:58

○MXsv27.vipserv.org2015-07-05 → 2015-11-15 · 4 obs

● 2015-07-05 22:50:00
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
○ 2026-08-09 07:09:58

○A148.251.67.1422017-03-21 → 2020-02-16 · 5 obs

○ 2016-07-06 19:10:42
● 2017-03-21 06:18:06
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-08-09 07:09:58

○A213.239.218.1862015-07-05 → 2016-07-06 · 4 obs

● 2015-07-05 22:50:00
● 2016-07-06 19:10:42
○ 2017-03-21 06:18:06
○ 2026-08-09 07:09:58

○A77.55.253.622026-03-26 → 2026-04-09 · 5 obs

○ 2026-03-12 22:11:16
● 2026-03-26 23:50:26
● 2026-04-09 11:58:24
○ 2026-04-11 09:48:06
○ 2026-08-09 07:09:58

●A91.236.131.822026-05-19 → 2026-08-09 · 3 obs

○ 2026-04-11 09:48:06
● 2026-05-19 15:28:40
● 2026-08-09 07:09:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
stringtheory.pl	ns1.seohost.pl, ns2.seohost.pl	4 records

✅ Authoritative Response

Server:188.210.221.179

NS records: ns1.seohost.pl, ns2.seohost.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stringtheory.pl (unsigned zone)

⏱️ Timing

Total: 584ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.236.131.82`
NS	2	`ns1.seohost.pl, ns2.seohost.pl`
MX	1	`mail.stringtheory.pl (pri: 10)`
TXT	1	`v=spf1 redirect=_spf-h82.microhost.pl`
SOA	1	`ns1.seohost.pl hostmaster.stringtheory.p`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.seohost.pl, ns2.seohost.pl, ns1.seohost.pl...)

Analysis

Hierarchy

The domain mail.stringtheory.pl falls under the parent stringtheory.pl.

IP Addresses

stringtheory.pl points to a single IP number: 91.236.131.82.

Additional host names — mail.planit.com.pl, mail.bio-tek.pl, maxplus.pl and two others — share IP numbers with stringtheory.pl.

Name Servers

stringtheory.pl is delegated to two name servers: ns1.seohost.pl and ns2.seohost.pl.

stringtheory.pl shares its name server setup with other domains, including mariodive.pl, dns464kb.god4.eu, splvitamed.pl and two others.

At least some of stringtheory.pl's name servers are shared with other domains, for example numeria.pl, super-firmy.pl, ot2.pl and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.microhost.pl, ns2.microhost.pl and ns3.seohost.pl.

ns1.seohost.pl and ns2.seohost.pl each resolve to two IP addresses: ns1.seohost.pl points to 185.200.47.250 and 188.210.221.52, while ns2.seohost.pl points to 188.210.221.179 and 188.210.223.253.

Mail Servers

stringtheory.pl has one mail server: mail.stringtheory.pl.

mail.stringtheory.pl resolves to a single IP number: 91.236.131.82.