`kerak.sk`

DNSSEC	⚠️ Not signed
A	85.248.116.95^{🇸🇰 AS-BENESTRA85.248.0.0/16 GTS Slovakia NET}
NS	`ns2.telecom.sk` ⭐
		A	213.81.170.170^{🇸🇰 SK-TELEKOM213.81.128.0/17 routes from Slovak Telecom AS6855}
			PTR	`ns2.telecom.sk`
NS	`ns.telecom.sk`
		A	213.81.153.153^{🇸🇰 SK-TELEKOM213.81.128.0/17 routes from Slovak Telecom AS6855}
			PTR	`ns.telecom.sk`
MX	`kerak-sk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms20096382`
SOA	`ns.telecom.sk`hostmaster@telecom.sk 2020-12-15 #12

`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.sk`hostmaster@sk-nic.sk serial=2018590978

Same first word

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DNS History

5 records (4 active, 1 former)

●NSns.telecom.sk2015-07-22 → 2026-07-30 · 2 obs

● 2015-07-22 17:02:00
● 2026-07-30 17:40:48

●NSns2.telecom.sk2015-07-22 → 2026-07-30 · 2 obs

● 2015-07-22 17:02:00
● 2026-07-30 17:40:48

●MXkerak-sk.mail.protection.outlook.com2026-06-13 → 2026-07-30 · 3 obs

○ 2018-08-19 13:09:22
● 2026-06-13 08:04:36
● 2026-07-30 17:40:48

○MXmta-in.telekom.sk2015-07-22 → 2018-08-19 · 4 obs

● 2015-07-22 17:02:00
● 2018-08-19 13:09:22
○ 2026-06-13 08:04:36
○ 2026-07-30 17:40:48

●A85.248.116.952026-06-13 → 2026-07-30 · 2 obs

● 2026-06-13 08:04:36
● 2026-07-30 17:40:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	f.tld.sk, h.tld.sk, e.tld.sk, g.tld.sk	-
kerak.sk	ns2.telecom.sk, ns.telecom.sk	2 records

✅ Authoritative Response

Server:213.81.153.153

NS records: ns2.telecom.sk, ns.telecom.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kerak.sk (unsigned zone)

⏱️ Timing

Total: 324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.248.116.95`
NS	2	`ns2.telecom.sk, ns.telecom.sk`
MX	1	`kerak-sk.mail.protection.outlook.com (pr`
TXT	2	`MS=ms20096382, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns.telecom.sk hostmaster.telecom.sk`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.telecom.sk, ns2.telecom.sk)

Analysis

IP Addresses

kerak.sk resolves to one IP address: 85.248.116.95.

www.sosznieba.edu.sk, soulbijac.edu.sk, www.soumedtv.edu.sk and two other host names share IP numbers with kerak.sk.

Name Servers

DNS delegation for kerak.sk points to two name servers: ns2.telecom.sk and ns.telecom.sk.

kerak.sk uses the same name servers as several other domains — among them 91-127-172.t-com.sk, slovaktelecom.sk, 78-98-185.t-com.sk and two more.

kerak.sk has at least partial name server overlap with other domains, such as stkmartin.sk, graybear.sk, 48.91.195.in-addr.arpa and two others.

It is common to see these name servers used together with name servers andrea.t-mobile.sk and ns.t-mobile.sk.

ns2.telecom.sk directs to 213.81.170.170 and ns.telecom.sk directs to 213.81.153.153; each host name points to exactly one IP number.

Mail Servers

Mail for kerak.sk is handled by a single mail server, kerak-sk.mail.protection.outlook.com.

kerak-sk.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.8, 52.101.68.36, 52.101.73.4 and 5 others.

kerak.sk - robtex.com

kerak.sk

sk