ipfon.sk - robtex.com
ipfon.sk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.21.sk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 194.145.206.19🇸🇰 ASALTERNET194.145.206.0/23 ALTERNET-BACKBONE-1 | ||||||
| PTR | ns2.alternet.sk | ||||||
| NS | ns.21.sk | ||||||
| A | 94.229.35.69🇸🇰 datanetworks94.229.32.0/21 DataNetworks | ||||||
| PTR | 94.229.35.69.datanetworks.sk | ||||||
| NS | ns1.21.sk ⚠️ Not in zone NS records | ||||||
| A | 94.229.35.69🇸🇰 datanetworks94.229.32.0/21 DataNetworks | ||||||
| PTR | 94.229.35.69.datanetworks.sk | ||||||
| MX | spf.eposta.sk ⭐ | ||||||
| A | 194.145.206.12🇸🇰 ASALTERNET194.145.206.0/23 ALTERNET-BACKBONE-1 | ||||||
| PTR | spf.eposta.sk | ||||||
| TXT | v=spf1 a mx ip4:194.145.206.37 ip4:176.102.98.94 -all | ||||||
| SOA | ns1.21.skautonotify@21.sk serial=1756085170 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ | ||||||
| NS | e.tld.sk | ||||||
| NS | f.tld.sk | ||||||
| NS | g.tld.sk | ||||||
| NS | h.tld.sk | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018493236 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns.21.sk2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 18:32:08
● 2026-03-31 08:56:36
●NSns1.21.sk2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 18:32:08
● 2026-03-31 08:56:36
○NSns1.alternet.sk2015-08-28 → 2020-01-04 · 4 obs
● 2020-01-04 17:58:42
○ 2026-03-26 18:32:08
○ 2026-03-31 08:56:36
●NSns2.21.sk2026-03-26 → 2026-03-31 · 3 obs
● 2026-03-26 18:32:08
● 2026-03-31 08:56:36
○NSns2.alternet.sk2015-08-28 → 2020-01-04 · 4 obs
● 2020-01-04 17:58:42
○ 2026-03-26 18:32:08
○ 2026-03-31 08:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | g.tld.sk, f.tld.sk, e.tld.sk, h.tld.sk | 8 records |
| ipfon.sk | ns.21.sk, ns2.21.sk | 2 records |
✅ Authoritative Response
Server:194.145.206.19
NS records: ns.21.sk, ns2.21.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ipfon.sk (unsigned zone)
⏱️ Timing
Total: 269ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.21.sk, ns1.21.sk |
| MX | 1 | spf.eposta.sk (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:194.145.206.37 ip4:176.1 |
| SOA | 1 | ns1.21.sk autonotify.21.sk |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (h.tld.sk, g.tld.sk, f.tld.sk...)
Out-of-bailiwick: 2 (ns.21.sk, ns2.21.sk)
Analysis
Name Servers
ipfon.sk is delegated to three name servers: ns1.21.sk, ns2.21.sk and ns.21.sk.
At least part of the name servers for ipfon.sk are shared with other domains, for instance sms-brana.org, moldavanet.sk, unimobile.org, 21.sk and unimobile.net.
These name servers are commonly used alongside ns1.alternet.sk and ns2.alternet.sk.
Hosts with a single IP:
ns1.21.sk points to: 94.229.35.69.
ns2.21.sk points to: 194.145.206.19.
ns.21.sk points to: 94.229.35.69.
Hosts pointing to 94.229.35.69: ns1.21.sk and ns.21.sk.
Mail Servers
The mail server for ipfon.sk is spf.eposta.sk.
ipfon.sk uses the same mail server setup as other domains, for instance sms-brana.sk, sms-brana.net, wirix.sk, wirix.net and medzev.net.
Host spf.eposta.sk points to IP 194.145.206.12.