`diagnosetester.at`

DNSSEC	⚠️ Not signed
A	80.120.170.166^{🇦🇹 A1TELEKOM-AT80.120.0.0/14 HIGHWAY194}
		PTR	`mail.birner.at`
NS	`dns1.a1.net` ⭐
		A	2001:850:3030:31:80:120:17:26^{🇦🇹 A1TELEKOM-AT2001:850::/29 A1 Telekom Austria AG}
			PTR	`dns1.a1.net`
		A	80.120.17.26^{🇦🇹 A1TELEKOM-AT80.120.0.0/14 HIGHWAY194}
			PTR	`dns1.a1.net`
NS	`dns2.a1.net`
		A	2001:67c:1bc::105^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`dns2.a1.net`
		A	2001:850:3010:101:213:33:99:79^{🇦🇹 A1TELEKOM-AT2001:850::/29 A1 Telekom Austria AG}
			PTR	`dns2.a1.net`
		A	192.174.68.105^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`dns2.a1.net`
		A	213.33.99.79^{🇦🇹 A1TELEKOM-AT213.33.0.0/17 A1 Telekom Austria AG}
			PTR	`dns2.a1.net`
NS	`dns3.a1.net`
		A	2001:67c:10b8::105^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`dns3.a1.net`
		A	176.97.158.105^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`dns3.a1.net`
SOA	`dns1.a1.net`domainadmin@a1.net 2020-03-11 #0

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1776121202

Same first word

diagnosetester.nl

diagnosetester.at

diagnosetester.ch

DNS History

7 records (4 active, 3 former)

●NSdns1.a1.net2026-04-04 → 2026-04-14 · 3 obs

○ 2017-10-03 09:54:02
● 2026-04-04 04:33:44
● 2026-04-14 00:04:58

○NSdns1.telekom.at2015-06-16 → 2017-10-03 · 4 obs

● 2015-06-16 08:22:42
● 2017-10-03 09:54:02
○ 2026-04-04 04:33:44
○ 2026-04-14 00:04:58

●NSdns2.a1.net2026-04-04 → 2026-04-14 · 3 obs

○ 2017-10-03 09:54:02
● 2026-04-04 04:33:44
● 2026-04-14 00:04:58

○NSdns2.telekom.at2015-06-16 → 2017-10-03 · 4 obs

● 2015-06-16 08:22:42
● 2017-10-03 09:54:02
○ 2026-04-04 04:33:44
○ 2026-04-14 00:04:58

●NSdns3.a1.net2026-04-04 → 2026-04-14 · 3 obs

○ 2017-10-03 09:54:02
● 2026-04-04 04:33:44
● 2026-04-14 00:04:58

○NSdns3.telekom.at2015-06-16 → 2017-10-03 · 4 obs

● 2015-06-16 08:22:42
● 2017-10-03 09:54:02
○ 2026-04-04 04:33:44
○ 2026-04-14 00:04:58

●A80.120.170.1662015-06-16 → 2026-04-14 · 2 obs

● 2015-06-16 08:22:42
● 2026-04-14 00:04:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	r.ns.at, d.ns.at, n.ns.at, j.ns.at...	-
diagnosetester.at	dns1.a1.net, dns2.a1.net, dns3.a1.net	-

✅ Authoritative Response

Server:80.120.17.26

NS records: dns1.a1.net, dns2.a1.net, dns3.a1.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diagnosetester.at (unsigned zone)

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.120.170.166`
NS	3	`dns2.a1.net, dns3.a1.net...`
SOA	1	`dns1.a1.net domainadmin.a1.net`

Analysis

IP Addresses

diagnosetester.at points to a single IP number: 80.120.170.166.

other host names for instance mail.palmecockpit.at, mail.autofreunde.at, mail.birnerauto.com, mail.webkat.eu and mail.autoteilepilot.at share IP numbers with diagnosetester.at.

Name Servers

diagnosetester.at is delegated to three name servers: dns1.a1.net, dns2.a1.net and dns3.a1.net.

diagnosetester.at at least partially shares name servers with other domains, for instance mas.com.tr, lilas.at, plasser.academy, bruendelmayer.at and schaderbau.at.

Host names with four IP numbers: dns2.a1.net points to 2001:67c:1bc::105, 2001:850:3010:101:213:33:99:79, 192.174.68.105 and 213.33.99.79.

Host names with two IP numbers: dns1.a1.net points to 2001:850:3030:31:80:120:17:26 and 80.120.17.26. dns3.a1.net points to 2001:67c:10b8::105 and 176.97.158.105.

diagnosetester.at - robtex.com