head.sk - robtex.com
head.sk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.a1.net ⭐ | ||||||
| A | 2001:850:3030:31:80:120:17:26🇦🇹 A1TELEKOM-AT2001:850::/29 A1 Telekom Austria AG | ||||||
| PTR | dns1.a1.net | ||||||
| A | 80.120.17.26🇦🇹 A1TELEKOM-AT80.120.0.0/14 HIGHWAY194 | ||||||
| PTR | dns1.a1.net | ||||||
| NS | dns2.a1.net | ||||||
| A | 2001:67c:1bc::105🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | dns2.a1.net | ||||||
| A | 2001:850:3010:101:213:33:99:79🇦🇹 A1TELEKOM-AT2001:850::/29 A1 Telekom Austria AG | ||||||
| PTR | dns2.a1.net | ||||||
| A | 192.174.68.105🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | dns2.a1.net | ||||||
| A | 213.33.99.79🇦🇹 A1TELEKOM-AT213.33.0.0/17 A1 Telekom Austria AG | ||||||
| PTR | dns2.a1.net | ||||||
| NS | dns3.a1.net | ||||||
| A | 2001:67c:10b8::105🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | dns3.a1.net | ||||||
| A | 176.97.158.105🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | dns3.a1.net | ||||||
| MX | mx1.a1.net ⭐ | ||||||
| A | 213.33.87.13🇦🇹 A1TELEKOM-AT213.33.0.0/17 A1 Telekom Austria AG | ||||||
| PTR | mx1.bon.at | ||||||
| TXT | v=spf1 include:bspf.a1.net ~all | ||||||
| SOA | dns1.a1.netdomainadmin@a1.net 2024-10-10 #0 | ||||||
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=2018487069 | ||||||
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
●NSdns1.a1.net2026-03-22 → 2026-03-25 · 3 obs
● 2026-03-22 18:50:38
● 2026-03-25 00:35:12
●NSdns2.a1.net2026-03-22 → 2026-03-25 · 3 obs
● 2026-03-22 18:50:38
● 2026-03-25 00:35:12
●NSdns3.a1.net2026-03-22 → 2026-03-25 · 3 obs
● 2026-03-22 18:50:38
● 2026-03-25 00:35:12
○NSns1.dnsbackup.net2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○NSns1.nameserver.sk2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○NSns2.dnsbackup.net2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○NSns2.nameserver.sk2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○MXmail.head.sk2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○MXmailin.mx-hub.cz2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○MXmailin.mx-hub.eu2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○MXmailin.mx-hub.net2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
○MXmailin.mx-hub.sk2015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
●MXmx1.a1.net2026-03-22 → 2026-03-25 · 3 obs
● 2026-03-22 18:50:38
● 2026-03-25 00:35:12
○A2001:1ba0:2a0:5965:0:30:14:12015-08-02 → 2017-02-16 · 4 obs
● 2017-02-16 21:10:48
○ 2020-02-06 17:48:18
○ 2026-03-25 00:35:12
○A217.67.30.142015-08-02 → 2020-02-06 · 4 obs
● 2020-02-06 17:48:18
○ 2026-03-22 18:50:38
○ 2026-03-25 00:35:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk | - |
| head.sk | dns1.a1.net, dns2.a1.net, dns3.a1.net | - |
✅ Authoritative Response
Server:80.120.17.26
NS records: dns1.a1.net, dns2.a1.net, dns3.a1.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for head.sk (unsigned zone)
⏱️ Timing
Total: 941ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | dns3.a1.net, dns2.a1.net... |
| MX | 1 | mx1.a1.net (pri: 10) |
| TXT | 1 | v=spf1 include:bspf.a1.net ~all |
| SOA | 1 | dns1.a1.net domainadmin.a1.net |
Analysis
Name Servers
head.sk is delegated to three name servers: dns1.a1.net, dns2.a1.net and dns3.a1.net.
head.sk at least partially shares its name servers with other domains, for instance tischlerei-baumann.co.at, schoene-aussicht.info, jaf-imholz.de, landestheater-linz.info and hernstein.gv.at.
These name servers are often used together with the name servers dns0.a1.net.
Host names with four IP numbers:
The host name dns2.a1.net points to 2001:67c:1bc::105, 2001:850:3010:101:213:33:99:79, 192.174.68.105 and 213.33.99.79.
Host names with two IP numbers:
The host name dns1.a1.net points to 2001:850:3030:31:80:120:17:26 and 80.120.17.26.
The host name dns3.a1.net points to 2001:67c:10b8::105 and 176.97.158.105.
Mail Servers
head.sk is served by a single mail server, mx1.a1.net.
head.sk uses the same mail server setup as other domains such as bioreiniger.at, tech2.at, watchservice.at, riessconsult.at and compex.at.
head.sk shares at least partially some mail servers with other domains, for example pleil.at, biringer-energetik.at, anwaltskanzlei-likar.at and sattlerhof.at.
mx1.a1.net points to IP number 213.33.87.13.