auth.gr - dns.ninja

`auth.gr`

DNSSEC	⚠️ Not signed
A	2001:648:2800:1:155:207:1:90^{🇬🇷 ASAUTHNET2001:648:2800::/48 AUTH-NET-v6 Aristotle University of Thessaloniki Thessaloniki, Macedonia, Greece}
A	155.207.1.90^{🇬🇷 ASAUTHNET155.207.0.0/16 AUTH-NET}
NS	`thalia.it.auth.gr` ⭐
		A	155.207.112.3^{🇬🇷 ASAUTHNET155.207.0.0/16 AUTH-NET}
NS	`evia.it.auth.gr`
		A	155.207.1.3^{🇬🇷 ASAUTHNET155.207.0.0/16 AUTH-NET}
			PTR	`evia.ccf.auth.gr`
NS	`philippos.it.auth.gr`
		A	155.207.1.25^{🇬🇷 ASAUTHNET155.207.0.0/16 AUTH-NET}
			PTR	`philippos.ccf.auth.gr`
NS	`sns0.grnet.gr` ⚠️ Not in parent delegation
		A	2001:648:2ffc:203::89^{🇬🇷 GR-NET2001:648::/29 GRNETv6}
			PTR	`ns0.grnet.gr`
		A	83.212.5.89^{🇬🇷 GR-NET83.212.5.0/24 Deaggregated Space}
			PTR	`ns0.grnet.gr`
NS	`sns1.grnet.gr` ⚠️ Not in parent delegation
		A	2001:648:2ffc:112::2^{🇬🇷 GR-NET2001:648::/29 GRNETv6}
			PTR	`ns1.grnet.gr`
		A	83.212.5.22^{🇬🇷 GR-NET83.212.5.0/24 Deaggregated Space}
			PTR	`ns1.grnet.gr`
MX	`mg01.it.auth.gr` ⭐
		A	155.207.1.98^{🇬🇷 ASAUTHNET155.207.0.0/16 AUTH-NET}
			PTR	`mg01.it.auth.gr`
TXT	`HARICA-UFLYBxNvYDwFniM4IBv`
TXT	`fortinet-fortiphish-site-verification=Wk6jFUFCDkZs3fD3XbbekL`
TXT	`HARICA-EagVGmCn23rqxhKMx5K`
TXT	`google-site-verification=CFcY3Vv-gB9kIHZ7sidNy0A26hEXrNcvW0zLHnJdmZs`
TXT	`ras gk.auth.gr:1719`
TXT	`google-site-verification=Y4NbymnWN4X44RJo9yjoy_G2Zhn0Ft7wnkybovZbdA8`
TXT	`yahoo-verification-key=Cj62TpHbopdQ72wsoJvpgHwBlUK2ypqC5ndTMl4bFzM=`
TXT	`v=spf1 a ip4:155.207.0.0/16 ip4:192.104.147.0/24 include:spf.protection.outlo...`
TXT	`MS=ms36613274`
TXT	`atlassian-domain-verification=uig5hAfBLWbruqb9Elgjj0zGDw1UKrqopWnDYazDsAGBGHI...`
TXT	`mentimeter-e95168f0-e2f5-43e6-8973-6af933292f8a`
SOA	`thalia.it.auth.gr`hostmaster@auth.gr 2026-07-20 #3

`gr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`grdns.ics.forth.gr` ⭐
	NS	`estia.ics.forth.gr`
	NS	`gr-a.ics.forth.gr`
	NS	`gr-at.ics.forth.gr`
	NS	`gr-d.ics.forth.gr`
	NS	`gr-m.ics.forth.gr`
	SOA	`grdns.ics.forth.gr`hmaster-info@ics.forth.gr serial=2607210691

rank #4838 globally
rank #2 in the tld

auth.gr

auth.gris the official domain of Aristotle University of Thessaloniki (Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης), the largest university in Greece and one of the largest in Europe, located in Thessaloniki.

Key facts

Owner / operator: Aristotle University of Thessaloniki (AUTH)
TLD:.gr— Greece (ccTLD)
Primary purpose: Official institutional website of Aristotle University of Thessaloniki — academic information, faculty portals, student services, and research
Status: active

Related domains

it.auth.gr— IT Centre of AUTH, which manages network and computing services for the university
lib.auth.gr— University Library portal

WOT: SAFE (94/100)
📈 Tranco rank: #11,042

Subdomains

gateway.auth.gr

del.auth.gr

educ.auth.gr

geo.auth.gr

edlit.auth.gr

math.auth.gr

astro.auth.gr

auth-campus-bb.auth.gr

phed.auth.gr

grid.auth.gr

econ.auth.gr

arts.auth.gr

arch.auth.gr

qa.auth.gr

topo.auth.gr

kbe.auth.gr

theosch.auth.gr

eng.auth.gr

rect.auth.gr

phys.auth.gr

students.auth.gr

gennimatashosp.auth.gr

jour.auth.gr

leps.auth.gr

ee.auth.gr

pubaccess.auth.gr

bio.auth.gr

aristotleforum.auth.gr

tcom.auth.gr

hpc.auth.gr

agro.auth.gr

phed-sr.auth.gr

past.auth.gr

mus.auth.gr

frl.auth.gr

users.auth.gr

eurep.auth.gr

vis.auth.gr

plandevel.auth.gr

ccf.auth.gr

webpages.auth.gr

theo.auth.gr

it.auth.gr

cso.auth.gr

lib.auth.gr

sis.auth.gr

webmail.auth.gr

film.auth.gr

law.auth.gr

dent.auth.gr

praktiki.auth.gr

csd.auth.gr

polsci.auth.gr

gen.auth.gr

web.auth.gr

ccf2.auth.gr

tf.auth.gr

eled.auth.gr

www.auth.gr

rc.auth.gr

meng.auth.gr

pfl.auth.gr

auth-net.auth.gr

nured.auth.gr

cheng.auth.gr

ad.auth.gr

lists.auth.gr

idm.auth.gr

login.auth.gr

vet.auth.gr

thea.auth.gr

med.auth.gr

hist.auth.gr

itc.auth.gr

lit.auth.gr

enl.auth.gr

pharm.auth.gr

chem.auth.gr

elearning.auth.gr

physics.auth.gr

civil.auth.gr

psy.auth.gr

Same first word

auth.info

auth.company

auth.me

auth.ws

auth.tips

auth.guru

auth.co

auth.cash

auth.app

auth.kinghost.net

auth.agency

auth.online

auth.es

auth.in

auth.cc

auth.rest

auth.it

auth.tools

auth.my

auth.schwarz

auth.re

auth.dog

auth.events

auth.tn.it

auth.net

auth.pk

auth.codes

auth.io

auth.md

auth.no

auth.gay

auth.de

auth.srv.br

auth.com.ua

auth.tech.orange

auth.com.au

auth.ca

auth.ee

auth.im

auth.properties

auth.us

auth.kz

auth.cool

auth.lol

auth.solutions

auth.tel

auth.fail

auth.id

auth.zone

auth.black

auth.so

auth.sk

auth.at

auth.ch

auth.mobi

auth.inc

auth.hu

auth.co.za

auth.zeabur.app

auth.ink

auth.se

auth.taipei

auth.services

auth.fr

auth.su

auth.red

auth.as

auth.main.jp

auth.work

auth.com.br

auth.qld.gov.au

auth.eu

auth.dk

auth.vn

auth.fit

auth.fi

auth.nl

auth.bid

auth.today

auth.pl

auth.bmw

auth.email

auth.dev

auth.gg

auth.zip

auth.education

auth.cz

auth.s3-website-us-west-2.amazonaws.com

auth.vodka

auth.xyz

auth.sg

auth.icu

auth.adult

auth.mom

auth.to

auth.fans

auth.gr

auth.org

auth.ro

auth.trafficmanager.net

auth.fyi

auth.rocks

auth.toscana.it

auth.com

auth.chat

auth.directory

auth.team

auth.co.jp

auth.game

auth.in.net

auth.business

auth.store

auth.aero

auth.dvag

auth.ac

auth.poker

auth.style

auth.net.br

auth.run

auth.edu.ee

auth.microsoft

auth.gy

auth.management

auth.bot

Similar names

tahu.de

tuha.fi

utah.co

tahu.org

thau.de

thau.us

utah.legal

atuh.art

utah.golf

thau.pw

hatu.com.cn

tahu.edu.vn

huta.vn

hatu.ru

athu.com

uhta.ru

haut.clinic

huta.com

utah.be

uaht.cn

utah.doctor

huat.edu.cn

ahtu.cn

utah.deals

utah.jp

tuha.org

thau.at

thau.be

haut.name

utah.place

haut.it

auht.cn

haut.eu

haut.doctor

thau.pl

athu.net

utah.bank

athu.cn

haut.ch

tahu.co.nz

utah.ws

haut.ru

utah.rentals

tuha.de

tuah.my

utah.ca

tuha.com

thau.ru

haut.com.ar

ahut.net

haut.jp

thau.net

huta.ch

huta.ru

haut.nrw

utah.net

hatu.cc

utah.today

huat.sg

thau.fr

utah.org

utah.camp

tahu.info

hatu.de

DNS History

15 records (8 active, 7 former)

○NSevia.ccf.auth.gr2015-08-29 → 2021-07-12 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2021-07-12 01:26:42
○ 2026-02-14 23:34:54
○ 2026-07-21 08:39:48

●NSevia.it.auth.gr2026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

○NSphilippos.ccf.auth.gr2015-08-29 → 2021-07-12 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2021-07-12 01:26:42
○ 2026-02-14 23:34:54
○ 2026-07-21 08:39:48

●NSphilippos.it.auth.gr2026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

●NSsns0.grnet.gr2015-08-29 → 2026-07-21 · 3 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2026-07-21 08:39:48

●NSsns1.grnet.gr2015-08-29 → 2026-07-21 · 3 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2026-07-21 08:39:48

○NSthalia.ccf.auth.gr2015-08-29 → 2026-03-29 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2026-03-29 21:59:32
○ 2026-03-31 20:09:10
○ 2026-07-21 08:39:48

●NSthalia.it.auth.gr2026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

○MXmailsrv1.ccf.auth.gr2015-08-29 → 2021-07-12 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2021-07-12 01:26:42
○ 2026-02-14 23:34:54
○ 2026-07-21 08:39:48

○MXmailsrv2.ccf.auth.gr2015-08-29 → 2021-07-12 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2021-07-12 01:26:42
○ 2026-02-14 23:34:54
○ 2026-07-21 08:39:48

●MXmg01.it.auth.gr2026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

○A155.207.1.122015-08-29 → 2021-07-12 · 5 obs

○ 2008-02-17 14:10:04
● 2015-08-29 04:00:18
● 2021-07-12 01:26:42
○ 2026-02-14 23:34:54
○ 2026-07-21 08:39:48

○A155.207.1.322008-02-17 → 2008-02-17 · 3 obs

● 2008-02-17 14:10:04
○ 2015-08-29 04:00:18
○ 2026-07-21 08:39:48

●A155.207.1.902026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

●A2001:648:2800:1:155:207:1:902026-02-14 → 2026-07-21 · 3 obs

○ 2021-07-12 01:26:42
● 2026-02-14 23:34:54
● 2026-07-21 08:39:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
gr	grdns.ics.forth.gr, gr-d.ics.forth.gr, gr-m.ics.forth.gr, estia.ics.forth.gr...	-
auth.gr	evia.it.auth.gr, sns0.grnet.gr, sns1.grnet.gr, thalia.it.auth.gr...	3 records

✅ Authoritative Response

Server:155.207.1.3

NS records: evia.it.auth.gr, sns0.grnet.gr, sns1.grnet.gr, thalia.it.auth.gr, philippos.it.auth.gr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for auth.gr (unsigned zone)

⏱️ Timing

Total: 1348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`155.207.1.90`
AAAA	1	`2001:648:2800:1:155:207:1:90`
NS	5	`evia.it.auth.gr, philippos.it.auth.gr...`
MX	1	`mg01.it.auth.gr (pri: 50)`
TXT	11	`mentimeter-e95168f0-e2f5-43e6-8973-6af93, HARICA-EagVGmCn23rqxhKMx5K...`
SOA	1	`thalia.it.auth.gr hostmaster.auth.gr`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (evia.it.auth.gr, thalia.it.auth.gr, philippos.it.auth.gr)

Analysis

Hierarchy

auth.gr serves as parent to gateway.auth.gr, del.auth.gr, educ.auth.gr, geo.auth.gr, edlit.auth.gr along with a few other host names.

IP Addresses

auth.gr resolves to the IP addresses 155.207.1.90 and 2001:648:2800:1:155:207:1:90

Additional host names — including www.auth.gr and alpha16.it.auth.gr — share IP numbers with auth.gr.

Name Servers

auth.gr has five name servers, which are sns0.grnet.gr, sns1.grnet.gr, evia.it.auth.gr and two others.

auth.gr has at least partial name server overlap with other domains, such as uoc.gr, elinyae-learning.gr, 183.63.194.in-addr.arpa and two others.

nic.sch.gr, nic.att.sch.gr and nic.thess.sch.gr — plus 7 other name servers — are commonly paired with these name servers.

Hostnames that resolve to two IP addresses:

The A records for sns0.grnet.gr return 83.212.5.89 and 2001:648:2ffc:203::89.

The A records for sns1.grnet.gr return 83.212.5.22 and 2001:648:2ffc:112::2.

Hosts with just one IP address:

evia.it.auth.gr resolves to the IP address 155.207.1.3.

philippos.it.auth.gr resolves to the IP address 155.207.1.25.

thalia.it.auth.gr resolves to the IP address 155.207.112.3.

Mail Servers

Mail for auth.gr is handled by a single mail server, mg01.it.auth.gr.

auth.gr uses an identical mail server configuration to several other domains — among them vergina.eng.auth.gr, jour.auth.gr, leps.auth.gr and two more.

mg01.it.auth.gr resolves to 155.207.1.98 and no other IP number.