studyguide.at - dns.ninja

`studyguide.at`

DNSSEC	⚠️ Not signed
A	5.132.191.231^{🇦🇹 NESSUS5.132.191.0/24}
		PTR	`xserv21584.hybridserver.at`
NS	`ns6.internic.at` ⭐
		A	212.126.64.6^{🇦🇹 INTERNIC-AS12401212.126.64.0/19 internic, globedom and customers network internic Datenkommunikations GmbH. Puchsbaumplatz 2 / 7-8 A-1100 Vienna, Austria **************************************** Abuse reports please to: noc@internic.at ****************************************}
			PTR	`ns6.internic.at`
NS	`ns49.internic.at`
		A	172.104.141.191^{🇩🇪 AKAMAI-LINODE-AP172.104.128.0/19 Akamai Technologies}
			PTR	`ns49.internic.at`
NS	`ns501.internic.at`
		A	66.175.216.204^{🇺🇸 AKAMAI-LINODE-AP66.175.216.0/21 Akamai Technologies}
			PTR	`ns501.internic.at`
NS	`ns57.internic.at`
		A	198.58.114.171^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`ns57.internic.at`
NS	`ns81.internic.at`
		A	172.104.73.237^{🇯🇵 AKAMAI-LINODE-AP172.104.64.0/19 Akamai Technologies}
			PTR	`ns81.internic.at`
MX	`plexus.lzk.tuwien.ac.at` ⭐
MX	`tuvok.kom.tuwien.ac.at`⁽²⁰⁾
		A	2001:629:1004:11::25^{🇦🇹 ACOnet2001:628::/29 , Provider Local Registry Block for IPv6}
			PTR	`tuvok6.kom.tuwien.ac.at`
		A	192.35.241.66^{🇦🇹 TUNET-AS192.35.240.0/22 TUNET}
			PTR	`tuvok.kom.tuwien.ac.at`
MX	`neelix.kom.tuwien.ac.at`⁽³⁰⁾
		A	2001:629:1004:11::1:25^{🇦🇹 ACOnet2001:628::/29 , Provider Local Registry Block for IPv6}
			PTR	`neelix.kom.tuwien.ac.at`
		A	192.35.241.67^{🇦🇹 TUNET-AS192.35.240.0/22 TUNET}
			PTR	`neelix.kom.tuwien.ac.at`
SOA	`ns6.internic.at`hostmaster@internic.at serial=3

`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=1782100802

WOT: SAFE (61/100)

Subdomains

www.studyguide.at

Same first word

studyguide.eu

studyguide.com

studyguide.ca

studyguide.buzz

studyguide.co.in

studyguide.org

studyguide.ch

studyguide.at

studyguide.cn

studyguide.co

studyguide.us

studyguide.de

studyguide.gr

studyguide.net

Similar names

guidestudy.com

guidestudy.us

guidestudy.tv

guidestudy.info

DNS History

12 records (9 active, 3 former)

○NSns.internic.at2009-01-13 → 2016-12-16 · 4 obs

● 2009-01-13 04:35:42
● 2016-12-16 07:25:30
○ 2026-03-13 20:02:50
○ 2026-06-22 04:37:26

○NSns2.internic.at2009-01-13 → 2016-12-16 · 4 obs

● 2009-01-13 04:35:42
● 2016-12-16 07:25:30
○ 2026-03-13 20:02:50
○ 2026-06-22 04:37:26

●NSns49.internic.at2026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

●NSns501.internic.at2026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

●NSns57.internic.at2026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

●NSns6.internic.at2026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

●NSns81.internic.at2026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

●MXneelix.kom.tuwien.ac.at2009-01-13 → 2026-06-22 · 2 obs

● 2009-01-13 04:35:42
● 2026-06-22 04:37:26

●MXplexus.lzk.tuwien.ac.at2009-01-13 → 2026-06-22 · 2 obs

● 2009-01-13 04:35:42
● 2026-06-22 04:37:26

●MXtuvok.kom.tuwien.ac.at2009-01-13 → 2026-06-22 · 2 obs

● 2009-01-13 04:35:42
● 2026-06-22 04:37:26

○A128.130.203.1302015-07-25 → 2016-12-16 · 5 obs

○ 2009-01-13 04:35:42
● 2015-07-25 02:11:22
● 2016-12-16 07:25:30
○ 2026-03-13 20:02:50
○ 2026-06-22 04:37:26

●A5.132.191.2312026-03-13 → 2026-06-22 · 3 obs

○ 2016-12-16 07:25:30
● 2026-03-13 20:02:50
● 2026-06-22 04:37:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	ns1.univie.ac.at, j.ns.at, u.ns.at, d.ns.at...	-
studyguide.at	ns49.internic.at, ns81.internic.at, ns57.internic.at, ns6.internic.at...	2 records

✅ Authoritative Response

Server:66.175.216.204

NS records: ns49.internic.at, ns81.internic.at, ns57.internic.at, ns6.internic.at, ns501.internic.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyguide.at (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.132.191.231`
NS	5	`ns81.internic.at, ns6.internic.at...`
MX	3	`neelix.kom.tuwien.ac.at (pri: 30), plexus.lzk.tuwien.ac.at (pri: 10)...`
SOA	1	`ns6.internic.at hostmaster.internic.at`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns501.internic.at, ns57.internic.at)

Analysis

Hierarchy

www.studyguide.at is delegated beneath studyguide.at.

IP Addresses

studyguide.at resolves to just one IP address, 5.132.191.231.

Further host names like www.studyguide.at and xserv21584.hybridserver.at overlap in IP numbers with studyguide.at.

Name Servers

studyguide.at delegates to five name servers: ns49.internic.at, ns501.internic.at, ns57.internic.at and two others.

There is at least partial name server overlap between studyguide.at and other domains — slunsky.com, dataconsult.at, blumenhelga.at and two more among them.

These name servers regularly appear alongside ns6.internic.at, ns81.internic.at, dns2.internic.at and 3 other name servers in NS record sets.

Host names that point to one IP address:

ns49.internic.at points to 172.104.141.191.

ns501.internic.at points to 66.175.216.204.

ns57.internic.at points to 198.58.114.171.

ns6.internic.at points to 212.126.64.6.

ns81.internic.at points to 172.104.73.237.

Mail Servers

Incoming mail for studyguide.at is delivered via three mail servers: neelix.kom.tuwien.ac.at, tuvok.kom.tuwien.ac.at and plexus.lzk.tuwien.ac.at.

There is at least a partial MX overlap between studyguide.at and other domains, including iwag.tuwien.ac.at, raumgestaltung.tuwien.ac.at, iemar.tuwien.ac.at and two others.

These mail servers tend to appear in combination with mail servers list.tuwien.ac.at, mail.intern.tuwien.ac.at, list-backup.tuwien.ac.at and 7 others.

neelix.kom.tuwien.ac.at and tuvok.kom.tuwien.ac.at each resolve to two IP addresses: neelix.kom.tuwien.ac.at points to 192.35.241.67 and 2001:629:1004:11::1:25, while tuvok.kom.tuwien.ac.at points to 192.35.241.66 and 2001:629:1004:11::25.