stringtheory.pl - robtex.com
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.plhostmaster@stringtheory.pl 2026-05-18 #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.pldnsmaster@nask.pl serial=1784529293 | ||||||
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
DNS History
15 records (4 active, 11 former)
○NSns1.atthost.pl2026-03-12 → 2026-04-11 · 5 obs
● 2026-03-12 22:11:16
● 2026-04-11 09:48:06
○ 2026-05-19 15:28:40
○ 2026-07-21 04:18:44
●NSns1.seohost.pl2026-05-19 → 2026-07-21 · 3 obs
● 2026-05-19 15:28:40
● 2026-07-21 04:18:44
○NSns1.x14.eu2015-07-05 → 2017-03-21 · 6 obs
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
● 2017-03-21 06:18:06
○ 2020-02-16 18:01:30
○ 2026-07-21 04:18:44
○NSns1.yum.pl2016-02-10 → 2020-02-16 · 5 obs
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-07-21 04:18:44
○NSns2.atthost.pl2026-03-12 → 2026-04-11 · 5 obs
● 2026-03-12 22:11:16
● 2026-04-11 09:48:06
○ 2026-05-19 15:28:40
○ 2026-07-21 04:18:44
●NSns2.seohost.pl2026-05-19 → 2026-07-21 · 3 obs
● 2026-05-19 15:28:40
● 2026-07-21 04:18:44
○NSns3.x25.pl2015-07-05 → 2015-11-15 · 4 obs
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
○ 2026-07-21 04:18:44
○NSns3.yum.pl2016-02-10 → 2020-02-16 · 5 obs
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-07-21 04:18:44
●MXmail.stringtheory.pl2026-03-26 → 2026-07-21 · 6 obs
● 2026-03-26 23:50:26
● 2026-04-09 11:58:24
○ 2026-04-11 09:48:06
● 2026-05-19 15:28:40
● 2026-07-21 04:18:44
○MXmx-md05l.vipserv.org2016-02-10 → 2020-02-16 · 5 obs
● 2016-02-10 00:03:50
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-07-21 04:18:44
○MXsv27.vipserv.org2015-07-05 → 2015-11-15 · 4 obs
● 2015-11-15 07:18:16
○ 2016-02-10 00:03:50
○ 2026-07-21 04:18:44
○A148.251.67.1422017-03-21 → 2020-02-16 · 5 obs
● 2017-03-21 06:18:06
● 2020-02-16 18:01:30
○ 2026-03-12 22:11:16
○ 2026-07-21 04:18:44
○A213.239.218.1862015-07-05 → 2016-07-06 · 4 obs
● 2016-07-06 19:10:42
○ 2017-03-21 06:18:06
○ 2026-07-21 04:18:44
○A77.55.253.622026-03-26 → 2026-04-09 · 5 obs
● 2026-03-26 23:50:26
● 2026-04-09 11:58:24
○ 2026-04-11 09:48:06
○ 2026-07-21 04:18:44
●A91.236.131.822026-05-19 → 2026-07-21 · 3 obs
● 2026-05-19 15:28:40
● 2026-07-21 04:18:44
🔍 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: 578ms | 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
stringtheory.pl is a parent domain of mail.stringtheory.pl.
IP Addresses
stringtheory.pl resolves to one IP address: 91.236.131.82.
mail.planit.com.pl, mail.bio-tek.pl, maxplus.pl and two other host names 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 uses the same name servers as several other domains — among them mariodive.pl, dns464kb.god4.eu, splvitamed.pl and two more.
stringtheory.pl shares at least some of its name servers with other domains, including numeria.pl, super-firmy.pl, ot2.pl and two others.
These name servers are frequently paired with the name servers ns3.seohost.pl, ns1.microhost.pl and ns2.microhost.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
Mail for stringtheory.pl is handled by a single mail server, mail.stringtheory.pl.
mail.stringtheory.pl resolves to a single IP number: 91.236.131.82.