`opa.sk`

DNSSEC	🔒 Signed (DS record present)
A	77.78.104.3^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
		PTR	`yurika.gransy.com`
NS	`ns2.gransy.com` ⭐
		A	2001:19f0:6801:474:5400:1ff:fec5:8efb^{🇫🇷 AS-VULTR2001:19f0:6800::/38 Vultr Assigned Prefix}
		A	2001:19f0:7401:81e0:5400:1ff:fec5:8ef6^{🇬🇧 AS-VULTR2001:19f0:7400::/38 Vultr Assigned Prefix}
		A	95.179.192.121^{🇬🇧 AS-VULTR95.179.192.0/20 Vultr Assigned Prefix}
			PTR	`95.179.192.121.vultrusercontent.com`
		A	217.16.185.221^{🇨🇿 VSHOSTING217.16.176.0/20 III.}
			PTR	`ns2.gransy.com`
		A	217.69.4.49^{🇫🇷 AS-VULTR217.69.0.0/20 Vultr Assigned Prefix}
			PTR	`217.69.4.49.vultrusercontent.com`
NS	`ns.gransy.com`
		A	2001:19f0:5001:1caf:5400:1ff:fec5:8d50^{🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix}
		A	45.76.90.43^{🇩🇪 AS-VULTR45.76.80.0/20 Vultr Assigned Prefix}
			PTR	`45.76.90.43.vultrusercontent.com`
		A	77.78.104.149^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
			PTR	`ns.gransy.com`
		A	95.179.136.180^{🇳🇱 AS-VULTR95.179.128.0/20 Vultr Assigned Prefix}
			PTR	`95.179.136.180.vultrusercontent.com`
NS	`ns3.gransy.com`
		A	2a02:750:7::2e7^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-7--2e7-static.glesys.net`
		A	2a02:750:8::32^{🇳🇱 GLESYS2a02:750:8::/48 GleSYS AB}
			PTR	`2a02-750-8--32-static.glesys.net`
		A	46.21.100.103^{🇳🇱 GLESYS46.21.100.0/24 GleSYS AB}
			PTR	`46-21-100-103-static.glesys.net`
		A	77.78.126.35^{🇨🇿 CASABLANCA-AS77.78.124.0/22 Casablanca INT}
		A	109.74.7.71^{🇸🇪 GLESYS109.74.0.0/20}
			PTR	`109-74-7-71-static.glesys.net`
NS	`ns4.gransy.com`
		A	2001:19f0:5401:69b:5400:1ff:fec5:8f3f^{🇺🇸 AS-VULTR2001:19f0:5400::/38 Vultr Assigned Prefix}
		A	2a00:1a28:2010:1::89^{🇳🇴 GLESYS2a00:1a28::/32 Portlane Network}
			PTR	`2a00-1a28-2010-1--89-static.glesys.net`
		A	66.42.94.136^{🇺🇸 AS-VULTR66.42.80.0/20 Vultr Assigned Prefix}
			PTR	`66.42.94.136.vultrusercontent.com`
		A	80.67.7.209^{🇳🇴 GLESYS80.67.0.0/20 Portlane Network}
			PTR	`80-67-7-209-static.glesys.net`
NS	`ns5.gransy.com`
		A	2a02:750:5::538^{🇸🇪 GLESYS2a02:750::/29}
			PTR	`2a02-750-5--538-static.glesys.net`
		A	31.192.227.223^{🇸🇪 GLESYS31.192.224.0/21}
			PTR	`31-192-227-223-static.glesys.net`
MX	`mail.opa.sk` ⭐
TXT	`v=spf1 a mx include:gransy.com`
SOA	`ns.gransy.com`root@gransy.com serial=2753298893

`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.sk`hostmaster@sk-nic.sk serial=2018452342

Same first word

opa.com.cn

opa.singles

opa.at

opa.ba

opa.pl

opa.org

opa.gr

opa.la

opa.ch

opa.kz

opa.com.co

opa.bm

opa.sa.gov.au

opa.info

opa.mil

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opa.mx

opa.co.jp

opa.cz

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opa.fm

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opa.com

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opa.as

opa.or.jp

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opa.co.za

opa.com.ua

opa.me

opa.no

opa.pt

opa.fi

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opa.com.mx

Similar names

aop.sk

poa.gr

apo.com

pao.to

apo.com.pt

apo.or.at

poa.fr

aop.com

pao.de

pao.ie

pao.la

oap.fi

apo.org.au

poa.ch

aop.world

pao.cc

pao.me

apo.gov.ph

poa.org.za

apo.nl

pao.cn

apo.sk

pao.es

poa.one

pao.ac

apo.se

oap.org

apo.com.ph

poa.ro

pao.edu.pl

apo.co.nz

aop.org.br

apo.com.cn

apo.cz

poa.be

aop.dk

pao.org.ph

oap.cl

oap.ch

pao.ca

oap.mx

poa.com.sg

apo.co

apo.it

aop.co.uk

poa.ru

apo.ch

oap.de

apo.de

poa.dk

aop.solutions

poa.co.ke

aop.at

pao.mx

aop.ae

apo.eu

poa.jp

poa.co

pao.com.pl

oap.com.sg

apo.com.ua

pao.gr

poa.nl

poa.su

oap.srv.br

apo.kz

pao.cool

aop.kz

apo.mv

poa.pl

poa.sn

oap.at

apo.us

pao.in.th

poa.sk

oap.es

aop.in

apo.dk

aop.org.uk

pao.pl

apo.org

aop.jp

pao.net

poa.lv

pao.tw

DNS History

18 records (7 active, 11 former)

●NSns.gransy.com2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

○NSns0.atlantis.sk2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 23:54:46
○ 2015-11-22 16:33:44
○ 2026-03-13 04:30:12

○NSns1.atlantis.sk2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 23:54:46
○ 2015-11-22 16:33:44
○ 2026-03-13 04:30:12

○NSns1.websupport.sk2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

●NSns2.gransy.com2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

○NSns2.websupport.sk2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

●NSns3.gransy.com2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

○NSns3.websupport.sk2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

●NSns4.gransy.com2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

●NSns5.gransy.com2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

●MXmail.opa.sk2026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

○MXmailin1.opa.sk2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

○MXmailin2.opa.sk2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

○MXmx0.atlantis.sk2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 23:54:46
○ 2015-11-22 16:33:44
○ 2026-03-13 04:30:12

○MXmx2.atlantis.sk2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 23:54:46
○ 2015-11-22 16:33:44
○ 2026-03-13 04:30:12

○A37.9.175.212015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-14 23:54:46
● 2015-11-22 16:33:44
○ 2016-06-04 00:21:10
○ 2026-03-13 04:30:12

●A77.78.104.32026-03-13 → 2026-03-13 · 3 obs

○ 2016-06-04 00:21:10
● 2026-03-13 04:30:10
● 2026-03-13 04:30:12

○A80.94.52.742015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 23:54:46
○ 2015-11-22 16:33:44
○ 2026-03-13 04:30:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sk	a.tld.sk, b.tld.sk, c.tld.sk, e.tld.sk...	-
opa.sk	ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com...	-

✅ Authoritative Response

Server: 31.192.227.223

NS records: ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1700ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.78.104.3`
NS	5	`ns4.gransy.com, ns.gransy.com...`
MX	1	`mail.opa.sk (pri: 10)`
TXT	1	`v=spf1 a mx include:gransy.com`
SOA	1	`ns.gransy.com root.gransy.com`

Analysis

IP Addresses

opa.sk resolves to a single IP address: 77.78.104.3.

Other host names including (0x736578)euro.pl, konopi.pl, node3.mail8.netdiscounter.de, alticor.sk and myswink.com share IP numbers with opa.sk.

Name Servers

opa.sk is delegated to five name servers: ns2.gransy.com, ns3.gransy.com, ns4.gransy.com, ns5.gransy.com and ns.gransy.com.

opa.sk at least partially shares name servers with other domains, including cordelia.cz, b7design.eu, native.cz, secondlife.cz and rewind.cz.

these name servers are commonly used together with ns2.internetserver.cz, ns.internetserver.cz and ns3.dns-station.net.

Host names with five IP numbers:

ns2.gransy.com points to: 2001:19f0:6801:474:5400:1ff:fec5:8efb, 2001:19f0:7401:81e0:5400:1ff:fec5:8ef6, 95.179.192.121, 217.16.185.221 and 217.69.4.49

ns3.gransy.com points to: 2a02:750:7::2e7, 2a02:750:8::32, 46.21.100.103, 77.78.126.35 and 109.74.7.71

Host names with four IP numbers:

ns4.gransy.com points to: 2001:19f0:5401:69b:5400:1ff:fec5:8f3f, 2a00:1a28:2010:1::89, 66.42.94.136 and 80.67.7.209

ns.gransy.com points to: 2001:19f0:5001:1caf:5400:1ff:fec5:8d50, 45.76.90.43, 77.78.104.149 and 95.179.136.180

Host names with two IP numbers:

ns5.gransy.com points to: 2a02:750:5::538 and 31.192.227.223

Mail Servers

opa.sk is handled by a single mail server, mail.opa.sk.

opa.sk - robtex.com

opa.sk

sk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`opa.sk`

`sk`