`universalnetworks.sk`

DNSSEC	⚠️ Not signed
NS	`ns1.nbcuni.com` ⭐
		A	2001:502:f3ff::31^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`ns1.nbcuni.com`
		A	156.154.64.31^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`ns1.nbcuni.com`
NS	`ns2.nbcuni.com`
		A	2610:a1:1014::31^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`ns2.nbcuni.com`
		A	156.154.65.31^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`ns2.nbcuni.com`
NS	`ns3.nbcuni.com`
		A	2610:a1:1015::31^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`ns3.nbcuni.com`
		A	156.154.66.31^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`ns3.nbcuni.com`
NS	`ns4.nbcuni.com`
		A	2001:502:4612::31^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`ns4.nbcuni.com`
		A	156.154.67.31^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`ns4.nbcuni.com`
NS	`ns5.nbcuni.com`
		A	2610:a1:1016::31^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`ns5.nbcuni.com`
		A	156.154.68.31^{🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar}
			PTR	`ns5.nbcuni.com`
NS	`ns6.nbcuni.com`
		A	2610:a1:1017::31^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`ns6.nbcuni.com`
		A	156.154.69.31^{🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar}
			PTR	`ns6.nbcuni.com`
MX	`ns.ge.com` ⭐
		A	156.154.67.6^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`ns.ge.com`
SOA	`ns1.nbcuni.com`domain\@admin.nbcuni.com 2013-02-13 #6

`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=2018502917

Same first word

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DNS History

11 records (7 active, 4 former)

●NSns1.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

●NSns2.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

●NSns3.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

●NSns4.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

●NSns5.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

●NSns6.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs

○ 2017-02-14 09:20:40
● 2026-04-09 02:42:22
● 2026-04-12 00:30:08

○NSpdns1.ultradns.net2015-06-14 → 2017-02-14 · 4 obs

● 2015-06-14 14:07:38
● 2017-02-14 09:20:40
○ 2026-04-09 02:42:22
○ 2026-04-12 00:30:08

○NSpdns2.ultradns.net2015-06-14 → 2017-02-14 · 4 obs

● 2015-06-14 14:07:38
● 2017-02-14 09:20:40
○ 2026-04-09 02:42:22
○ 2026-04-12 00:30:08

○NSpdns3.ultradns.org2015-06-14 → 2017-02-14 · 4 obs

● 2015-06-14 14:07:38
● 2017-02-14 09:20:40
○ 2026-04-09 02:42:22
○ 2026-04-12 00:30:08

○NSpdns4.ultradns.org2015-06-14 → 2017-02-14 · 4 obs

● 2015-06-14 14:07:38
● 2017-02-14 09:20:40
○ 2026-04-09 02:42:22
○ 2026-04-12 00:30:08

●MXns.ge.com2015-06-14 → 2026-04-12 · 2 obs

● 2015-06-14 14:07:38
● 2026-04-12 00:30:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk	-
universalnetworks.sk	ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...	-

✅ Authoritative Response

Server:156.154.67.31

NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for universalnetworks.sk (unsigned zone)

⏱️ Timing

Total: 683ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`ns1.nbcuni.com, ns2.nbcuni.com...`
MX	1	`ns.ge.com (pri: 10)`
SOA	1	`ns1.nbcuni.com domain\.admin.nbcuni.com`

Analysis

Name Servers

universalnetworks.sk is delegated to six name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com and ns6.nbcuni.com.

universalnetworks.sk at least partially shares name servers with other domains, for instance jaws25.com, parksandrecreationprod.org, synkgo.org, nbcuni.com and nbcchicago.com.

Host names with two IP numbers:

ns1.nbcuni.com points to 2001:502:f3ff::31 and 156.154.64.31.

ns2.nbcuni.com points to 2610:a1:1014::31 and 156.154.65.31.

ns3.nbcuni.com points to 2610:a1:1015::31 and 156.154.66.31.

ns4.nbcuni.com points to 2001:502:4612::31 and 156.154.67.31.

ns5.nbcuni.com points to 2610:a1:1016::31 and 156.154.68.31.

ns6.nbcuni.com points to 2610:a1:1017::31 and 156.154.69.31.

Mail Servers

universalnetworks.sk is handled by a single mail server, ns.ge.com.

universalnetworks.sk shares the same mail server setup as other domains, for instance divauniversal.cz, universalchannel.ba, universalsports.com.mx, 13thstreetuniversal.fi and syfyuniversal.com.ua.

universalnetworks.sk shares some mail servers with other domains, at least partially, for instance rbccnbc.ru, divatv.by, universalsportsnetwork.in, kretztechnik.ru and 13thstreet.sg.

ns.ge.com resolves to IP 156.154.67.6.

universalnetworks.sk - robtex.com