56.sk - robtex.com
56.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:2b88:2:1::44f2:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| A | 31.31.75.245🇨🇿 WEDOS31.31.72.0/21 Internet, a.s. | ||||||
| NS | 56.sk ⭐ | ||||||
| A | 2a02:2b88:2:1::44f2:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| A | 31.31.75.245🇨🇿 WEDOS31.31.72.0/21 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| NS | ns1.ff.sk | ||||||
| A | 2a02:2b88:2:1::44f2:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| A | 31.31.75.245🇨🇿 WEDOS31.31.72.0/21 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| NS | ns2.ff.sk ⚠️ Not in zone NS records | ||||||
| A | 2a02:2b88:2:1::44f2:1🇨🇿 WEDOS2a02:2b88::/32 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| A | 31.31.75.245🇨🇿 WEDOS31.31.72.0/21 Internet, a.s. | ||||||
| PTR | mail.ff.sk | ||||||
| SOA | 56.skroot@aftermarket.sk 2026-01-31 #33 | ||||||
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=2018557787 | ||||||
NS for
56.sk |
Subdomains
mail.56.sk |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NS56.sk2026-06-16 → 2026-06-20 · 3 obs
● 2026-06-16 02:19:32
● 2026-06-20 13:11:26
○NSns.qxp.sk2015-08-01 → 2015-08-01 · 3 obs
○ 2015-11-22 16:34:18
○ 2026-06-20 13:11:26
●NSns1.ff.sk2026-06-16 → 2026-06-20 · 3 obs
● 2026-06-16 02:19:32
● 2026-06-20 13:11:26
●NSns2.ff.sk2026-06-16 → 2026-06-20 · 3 obs
● 2026-06-16 02:19:32
● 2026-06-20 13:11:26
○NSns2.qxp.sk2015-08-01 → 2015-08-01 · 3 obs
○ 2015-11-22 16:34:18
○ 2026-06-20 13:11:26
●A2a02:2b88:2:1::44f2:12026-06-16 → 2026-06-20 · 3 obs
● 2026-06-16 02:19:32
● 2026-06-20 13:11:26
●A31.31.75.2452026-06-16 → 2026-06-20 · 3 obs
● 2026-06-16 02:19:32
● 2026-06-20 13:11:26
○A46.4.113.742015-08-01 → 2015-08-01 · 3 obs
○ 2015-11-22 16:34:18
○ 2026-06-20 13:11:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk | - |
| 56.sk | ns1.ff.sk, ns2.ff.sk | 4 records |
✅ Authoritative Response
Server:31.31.75.245
NS records: ns1.ff.sk, ns2.ff.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 491ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.31.75.245 |
| AAAA | 1 | 2a02:2b88:2:1::44f2:1 |
| NS | 1 | ns1.ff.sk |
| SOA | 1 | 56.sk root.aftermarket.sk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.ff.sk, ns2.ff.sk, ns1.ff.sk...)
Analysis
Hierarchy
The domain mail.56.sk falls under the parent 56.sk.
Name Server Role
56.sk serves as a name server for itself — 56.sk is its own authoritative name server.
ns1.ff.sk and ns2.ff.sk are often used as name servers in combination with 56.sk.
IP Addresses
56.sk points to the IP addresses 31.31.75.245 and 2a02:2b88:2:1::44f2:1
Additional host names — vasen.sk, www.x1.sk, diagnoza.sk and two others — share IP numbers with 56.sk.
Name Servers
56.sk has three authoritative name servers: 56.sk, ns1.ff.sk and ns2.ff.sk.
At least some of 56.sk's name servers are shared with other domains, for example store.sk, kabaret.sk, plejsy.sk and two more.
These name servers are frequently paired with the name servers domena-odchytena.aftermarket.sk, 71.sk, xb.sk and two others.
56.sk, ns1.ff.sk and ns2.ff.sk each resolve to two IP addresses: 31.31.75.245 and 2a02:2b88:2:1::44f2:1.
56.sk, ns1.ff.sk and ns2.ff.sk are host names that all point to 2a02:2b88:2:1::44f2:1.
56.sk, ns1.ff.sk and ns2.ff.sk are host names that all point to 31.31.75.245.