deltatelkom.pl - robtex.com
deltatelkom.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a0f:1700:1::500🇩🇪 ALFA-SYSTEM-AS2a0f:1700::/29 | ||||||
| A | 91.231.70.47🇵🇱 ALFA-SYSTEM-AS91.231.70.0/23 ALFA-SYSTEM | ||||||
| NS | dns2.alfa-system.pl ⭐ | ||||||
| A | 2a0f:1700:1::454🇩🇪 ALFA-SYSTEM-AS2a0f:1700::/29 | ||||||
| PTR | dns2.alfa-system.pl | ||||||
| A | 91.231.70.58🇵🇱 ALFA-SYSTEM-AS91.231.70.0/23 ALFA-SYSTEM | ||||||
| PTR | dns2.alfa-system.pl | ||||||
| NS | dns.alfa-system.pl | ||||||
| A | 2a0f:1700:1::452🇩🇪 ALFA-SYSTEM-AS2a0f:1700::/29 | ||||||
| PTR | dns.alfa-system.pl | ||||||
| A | 91.231.70.37🇵🇱 ALFA-SYSTEM-AS91.231.70.0/23 ALFA-SYSTEM | ||||||
| PTR | dns.alfa-system.pl | ||||||
| MX | smtp.deltatelkom.pl ⭐ | ||||||
| A | 91.231.70.41🇵🇱 ALFA-SYSTEM-AS91.231.70.0/23 ALFA-SYSTEM | ||||||
| PTR | smtp.alfa-system.pl | ||||||
| MX | mx-backup.alfa-system.pl(15) | ||||||
| A | 91.231.70.60🇵🇱 ALFA-SYSTEM-AS91.231.70.0/23 ALFA-SYSTEM | ||||||
| PTR | mx-backup.alfa-system.pl | ||||||
| TXT | google-site-verification=sGS-ynBEb89mW4sI9yiTUpfqH9p1XAOcJNqsmTbXnsM | ||||||
| TXT | v=spf1 a include:alfa-system.pl -all | ||||||
| TXT | google-site-verification=dxLUMHa6Kg1pN4FuOFPsidao7RlkoOXCbcLY7SDiErA | ||||||
| TXT | MS=45F7254A2F567792BC4F6338DC93FC6101D7AE0E | ||||||
| SOA | dns.alfa-system.plhostmaster@alfa-system.pl 2025-09-10 #0 | ||||||
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=1775198003 | ||||||
Previously NS for
deltatelkom.pl |
Subdomains
smtp.deltatelkom.pl |
Same first word
deltatelkom.pl |
DNS History
8 records (6 active, 2 former)
○NSdeltatelkom.pl2015-05-26 → 2017-08-29 · 4 obs
● 2017-08-29 11:05:14
○ 2026-02-26 05:38:00
○ 2026-04-03 20:37:30
●NSdns.alfa-system.pl2015-05-26 → 2026-04-03 · 2 obs
● 2026-04-03 20:37:30
●NSdns2.alfa-system.pl2015-05-26 → 2026-04-03 · 2 obs
● 2026-04-03 20:37:30
●MXmx-backup.alfa-system.pl2016-04-06 → 2026-04-03 · 3 obs
● 2016-04-06 07:15:04
● 2026-04-03 20:37:30
●MXsmtp.deltatelkom.pl2015-05-26 → 2026-04-03 · 2 obs
● 2026-04-03 20:37:30
●A2a0f:1700:1::5002026-02-26 → 2026-04-03 · 3 obs
● 2026-02-26 05:38:00
● 2026-04-03 20:37:30
○A91.231.70.442015-05-26 → 2017-08-29 · 4 obs
● 2017-08-29 11:05:14
○ 2026-02-26 05:38:00
○ 2026-04-03 20:37:30
●A91.231.70.472026-02-26 → 2026-04-03 · 3 obs
● 2026-02-26 05:38:00
● 2026-04-03 20:37:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl... | - |
| deltatelkom.pl | dns.alfa-system.pl, dns2.alfa-system.pl | 4 records |
✅ Authoritative Response
Server:91.231.70.58
NS records: dns.alfa-system.pl, dns2.alfa-system.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for deltatelkom.pl (unsigned zone)
⏱️ Timing
Total: 457ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.231.70.47 |
| AAAA | 1 | 2a0f:1700:1::500 |
| NS | 2 | dns2.alfa-system.pl, dns.alfa-system.pl |
| MX | 2 | smtp.deltatelkom.pl (pri: 10), mx-backup.alfa-system.pl (pri: 15) |
| TXT | 4 | MS=45F7254A2F567792BC4F6338DC93FC6101D7A, google-site-verification=sGS-ynBEb89mW4s... |
| SOA | 1 | dns.alfa-system.pl hostmaster.alfa-syste |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns2.alfa-system.pl, dns.alfa-system.pl, dns2.alfa-system.pl...)
Analysis
Hierarchy
deltatelkom.pl is the parent of smtp.deltatelkom.pl.
IP Addresses
deltatelkom.pl resolves to two IP numbers: 2a0f:1700:1::500 and 91.231.70.47.
other host names including gliwice.net.pl, torbyfilcowe.pl, amizo.pl, zmm.gliwice.net.pl and komstal.pl share IP numbers with deltatelkom.pl.
Name Servers
deltatelkom.pl is delegated to two name servers dns2.alfa-system.pl and dns.alfa-system.pl.
deltatelkom.pl shares the same name server setup as other domains, for instance 0.0.7.1.f.0.a.2.ip6.arpa, 70.231.91.in-addr.arpa, 71.231.91.in-addr.arpa, iknurow.pl and 24.97.176.in-addr.arpa.
deltatelkom.pl at least partially shares name servers with other domains, for instance knurow.org, komstal.pl, wms.pl, fbhostrowski.pl and torbyfilcowe.pl.
These name servers are commonly used alongside fns1.42.pl and ns2.3s.pl.
Host names with two IP numbers:
The host name dns2.alfa-system.pl points to 2a0f:1700:1::454 and 91.231.70.58; the host name dns.alfa-system.pl points to 2a0f:1700:1::452 and 91.231.70.37.
Mail Servers
Two mail servers handle deltatelkom.pl: mx-backup.alfa-system.pl and smtp.deltatelkom.pl.
deltatelkom.pl shares some mail servers with other domains, at least partially, for instance gliwice.net.pl, torbyfilcowe.pl, alfa-system.pl, dblogistic.pl and auto-centrum.eu.
these mail servers are often used with smtp.alfa-system.pl, smtp.torbyfilcowe.pl, smtp.auto-centrum.eu and smtp.arttelekom.pl.
Host names with one IP number:
mx-backup.alfa-system.pl points to 91.231.70.60
smtp.deltatelkom.pl points to 91.231.70.41