checkus.sk - robtex.com
checkus.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:4b40:aaaa:2007::7🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| A | 37.9.175.179🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| NS | ns1.websupport.sk ⭐ 🔒 | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.sk 🔒 | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.sk 🔒 | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mailin1.checkus.sk ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:8🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| PTR | m1-u6-mx.websupport.sk | ||||||
| A | 45.13.137.7🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| PTR | mx10.websupport.at | ||||||
| MX | mailin2.checkus.sk(10) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:9🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| PTR | m1-u7-mx.websupport.sk | ||||||
| A | 45.13.137.8🇸🇰 WEBSUPPORT-SRO-SK-AS | ||||||
| PTR | mx20.websupport.at | ||||||
| TXT | v=spf1 a mx include:_spf.m1.websupport.sk ?all | ||||||
| TXT | spf2.0/pra a mx include:_sid.m1.websupport.sk ?all | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1767573679 | ||||||
sk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | m.tld.sk ⭐ 🔒 | ||||||
| NS | a.tld.sk ⚠️ Not in zone NS records 🔒 | ||||||
| NS | b.tld.sk ⚠️ Not in zone NS records 🔒 | ||||||
| NS | c.tld.sk ⚠️ Not in zone NS records 🔒 | ||||||
| NS | e.tld.sk 🔒 | ||||||
| NS | f.tld.sk 🔒 | ||||||
| NS | g.tld.sk 🔒 | ||||||
| NS | h.tld.sk 🔒 | ||||||
| SOA | m.tld.skhostmaster@sk-nic.sk serial=2018452342 | ||||||
Up
mailinbackup1.checkus.sk |
mailin2.checkus.sk |
mailin1.checkus.sk |
Same first word
Similar names
schueck.de |
checksu.net |
schueck.com |
ckusche.de |
schueck.ch |
scheuck.de |
checksu.com |
uscheck.com |
scheuck.net |
schueck.com.br |
sucheck.com |
checksu.org |
uscheck.de |
uscheck.org |
chuckes.com |
uchecks.com |
DNS History
9 records (7 active, 2 former)
●NSns1.websupport.sk2015-07-06 → 2026-02-21 · 2 obs
● 2026-02-21 21:00:02
●NSns2.websupport.sk2015-07-06 → 2026-02-21 · 2 obs
● 2026-02-21 21:00:02
●NSns3.websupport.sk2015-07-06 → 2026-02-21 · 2 obs
● 2026-02-21 21:00:02
●MXmailin1.checkus.sk2015-07-06 → 2026-02-21 · 2 obs
● 2026-02-21 21:00:02
●MXmailin2.checkus.sk2015-07-06 → 2026-02-21 · 2 obs
● 2026-02-21 21:00:02
○MXmailinbackup1.checkus.sk2015-07-06 → 2016-02-28 · 4 obs
● 2016-02-28 06:25:22
○ 2016-07-18 13:46:00
○ 2026-02-21 21:00:02
●A2a00:4b40:aaaa:2007::72026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 12:41:54
● 2026-02-21 21:00:02
●A37.9.175.1792026-02-21 → 2026-02-21 · 3 obs
● 2026-02-21 12:41:54
● 2026-02-21 21:00:02
○A37.9.175.202015-07-06 → 2020-03-21 · 4 obs
● 2020-03-21 06:51:14
○ 2026-02-21 12:41:54
○ 2026-02-21 21:00:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | f.tld.sk, e.tld.sk, h.tld.sk, g.tld.sk... | - |
| checkus.sk | ns2.websupport.sk, ns3.websupport.sk, ns1.websupport.sk | 6 records |
✅ Authoritative Response
Server: 45.10.97.13
NS records: ns2.websupport.sk, ns3.websupport.sk, ns1.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 142ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.179 |
| AAAA | 1 | 2a00:4b40:aaaa:2007::7 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.checkus.sk (pri: 5), mailin2.checkus.sk (pri: 10) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk...)
AI analysis
checkus.sk is the parent of mailinbackup1.checkus.sk, mailin2.checkus.sk and mailin1.checkus.sk.
checkus.sk resolves to two IP numbers: 2a00:4b40:aaaa:2007::7 and 37.9.175.179.
other host names including itrust.sk, dev-litelife.lbstudio.sk, evacharitybazaar.sk, www.restauracialipa.sk and europur.net share IP numbers with checkus.sk.
checkus.sk is delegated to three name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
checkus.sk at least partially shares name servers with other domains, for instance miestni.sk, dobrasiet.sk, atimi.sk, korytar.sk and importo.cz.
Host names with two IP numbers:
ns1.websupport.sk points to: 2a10:bbc0::11 and 45.10.97.11.
ns2.websupport.sk points to: 2a02:250:3::12 and 185.71.159.12.
ns3.websupport.sk points to: 2a10:bbc0::13 and 45.10.97.13.
Two mail servers handle checkus.sk: mailin1.checkus.sk and mailin2.checkus.sk.
Host names with two IP numbers:
The host name mailin1.checkus.sk points to 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.7; the host name mailin2.checkus.sk points to 2a00:4b40:aaaa:2101:45:13:137:9 and 45.13.137.8.