`authorityservice.com`

DNSSEC	⚠️ Not signed
A	31.15.10.144^{🇨🇿 ACTIVE24-AS31.15.8.0/21 CZ-ACTIVE24-NET2}
		PTR	`uvirt107.active24.cz`
NS	`alfa.ns.active24.cz` ⭐
		A	2a02:4a8:ac24:100::96:2^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`alfa.ns.active24.cz`
		A	81.95.96.2^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`alfa.ns.active24.cz`
NS	`beta.ns.active24.cz`
		A	2a00:4b40:1000:590:185:111:90:94^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`beta.ns.active24.cz`
		A	185.111.90.94^{🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22}
			PTR	`beta.ns.active24.cz`
NS	`gama.ns.active24.sk`
		A	2a00:1968:0:1002:185:71:158:30^{🇸🇪 LOOPIA32a00:1968::/48}
			PTR	`gama.ns.active24.sk`
		A	185.71.158.30^{🇸🇪 LOOPIA3185.71.158.0/24}
			PTR	`gama.ns.active24.sk`
MX	`mx1.active24.com` ⭐
		A	2a02:4a8:ac24:101::97:4^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`in.smtp.cz`
		A	2a02:4a8:ac24:101::97:102^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`in.smtp.cz`
		A	2a02:4a8:ac24:101::97:111^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`in.smtp.cz`
		A	2a02:4a8:ac24:101::97:116^{🇨🇿 ACTIVE24-AS2a02:4a8::/32 CZ-ACTIVE24-NET6}
			PTR	`in.smtp.cz`
		A	81.95.97.4^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`in.smtp.cz`
		A	81.95.97.102^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`in.smtp.cz`
		A	81.95.97.111^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`in.smtp.cz`
		A	81.95.97.116^{🇨🇿 ACTIVE24-AS81.95.96.0/20 CZ-ACTIVE24-NET1}
			PTR	`in.smtp.cz`
MX	`mx2.active24.com`⁽²⁰⁾
		A	2a00:4b40:1000:590:185:111:90:93^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx2.active24.com`
		A	185.111.90.93^{🇭🇺 WEBSUPPORT-SRO-SK-AS185.111.88.0/22}
			PTR	`mx2.active24.com`
TXT	`v=spf1 include:spf.active24.com ~all`
SOA	`alfa.ns.active24.cz`hostmaster@active24.cz 2021-04-21 #2

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774724462

Same first word

authorityservice.com

Similar names

serviceauthority.org

serviceauthority.com

DNS History

18 records (6 active, 12 former)

●NSalfa.ns.active24.cz2026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

●NSbeta.ns.active24.cz2026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

●NSgama.ns.active24.sk2026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

○NSns1.savana.cz2015-08-05 → 2017-06-17 · 4 obs

● 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○NSns2.savana.cz2015-08-05 → 2017-06-17 · 4 obs

● 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○NSns3.savana.cz2015-08-05 → 2017-06-17 · 4 obs

● 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

●MXmx1.active24.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

○MXmx1.savana.cz2015-08-05 → 2017-06-17 · 4 obs

● 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

●MXmx2.active24.com2026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

○MXmx2.savana.cz2015-08-05 → 2017-06-17 · 4 obs

● 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○MXmx3.savana.cz2017-06-17 → 2017-06-17 · 4 obs

○ 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○MXmx4.savana.cz2017-06-17 → 2017-06-17 · 4 obs

○ 2015-08-05 10:59:54
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○A109.123.209.2102015-08-05 → 2015-12-04 · 4 obs

● 2015-08-05 10:59:54
● 2015-12-04 00:19:10
○ 2016-03-24 04:35:06
○ 2026-03-28 19:30:34

○A109.123.209.2182016-03-24 → 2016-09-08 · 5 obs

○ 2015-12-04 00:19:10
● 2016-03-24 04:35:06
● 2016-09-08 20:59:28
○ 2017-06-17 06:15:54
○ 2026-03-28 19:30:34

○A185.183.8.612017-06-17 → 2017-06-17 · 4 obs

○ 2016-09-08 20:59:28
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

○A2001:1528:146:0:1:2d:de00:12015-08-05 → 2016-09-08 · 4 obs

● 2015-08-05 10:59:54
● 2016-09-08 20:59:28
○ 2017-06-17 06:15:54
○ 2026-03-28 19:30:34

○A2a00:1ed0:1:1800:7:2d:de00:12017-06-17 → 2017-06-17 · 4 obs

○ 2016-09-08 20:59:28
● 2017-06-17 06:15:54
○ 2026-03-28 19:30:32
○ 2026-03-28 19:30:34

●A31.15.10.1442026-03-28 → 2026-03-28 · 3 obs

○ 2017-06-17 06:15:54
● 2026-03-28 19:30:32
● 2026-03-28 19:30:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
authorityservice.com	alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk	-

✅ Authoritative Response

Server:81.95.96.2

NS records: alfa.ns.active24.cz, beta.ns.active24.cz, gama.ns.active24.sk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authorityservice.com (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.15.10.144`
NS	3	`alfa.ns.active24.cz, beta.ns.active24.cz...`
MX	2	`mx1.active24.com (pri: 10), mx2.active24.com (pri: 20)`
TXT	1	`v=spf1 include:spf.active24.com ~all`
SOA	1	`alfa.ns.active24.cz hostmaster.active24.`

Analysis

IP Addresses

authorityservice.com resolves to a single IP address: 31.15.10.144.

Other host names including gbe.sk, blog.astronomie.cz, depka.cz, nare.cz and uem.cz share IP numbers with authorityservice.com.

Name Servers

authorityservice.com is delegated to three name servers: alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.

authorityservice.com at least partially shares name servers with other domains, including datab.cz, akrms.cz, ketnet-it.cz, wildstone.cz and seacurity.de.

these name servers are commonly used together with ns.dns4.cz, ns.servery.cz and ns.globe.cz.

Host names with two IP numbers:

alfa.ns.active24.cz points to: 2a02:4a8:ac24:100::96:2 and 81.95.96.2

beta.ns.active24.cz points to: 2a00:4b40:1000:590:185:111:90:94 and 185.111.90.94

gama.ns.active24.sk points to: 2a00:1968:0:1002:185:71:158:30 and 185.71.158.30

Mail Servers

authorityservice.com is handled by two mail servers: mx1.active24.com and mx2.active24.com.

authorityservice.com shares its mail server setup with other domains, including iroko.cz, smon.cz, prolovce.biz, elektros.cz and cz-hosting.cz.

The mail servers for authorityservice.com are shared with other domains, for instance hales.cz, vejmi.com, rendek.eu, kompenzatory.cz and cmptrade.cz.

Host names with eight IP numbers:

mx1.active24.com points to 2a02:4a8:ac24:101::97:4, 2a02:4a8:ac24:101::97:102, 2a02:4a8:ac24:101::97:111, 2a02:4a8:ac24:101::97:116, 81.95.97.4, 81.95.97.102, 81.95.97.111 and 81.95.97.116.

Host names with two IP numbers:

mx2.active24.com points to 2a00:4b40:1000:590:185:111:90:93 and 185.111.90.93.

authorityservice.com - robtex.com