csgb.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	csgb-dk.o-v1.mx.microsoft	2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 52.101.68.21 52.101.73.11 52.101.73.12 52.101.73.26	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 66ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 135ms

TXT Record
S5r95NV27qoxCRhNmT1V5AD0iG7DQTvRv21rVe8jsuCTnj0/8g/8DWCDGYJjfDRzdGttDKnnBDPbSvOQlzuDOg==
SOv2GuAPRGyEP58oLTuiKT4wOSJmLKbf8kIehG8tJgGqt3fmn+k+ch/3+PiRjZakSZsiuWIBGXjanE4OG0F6YA==
U4KESlaYGD7iHS8qIYci8gHE/ofd+9O3IsF/aHMp/js=
v=msv1 t=ACEC4DAA-8F71-4B7A-BF61-05179ED7BA3D
v=spf1 include:spf.au.dk -all

✉️ SPF

Policy	Record (csgb.dk)
-all (hard fail)	v=spf1 include:spf.au.dk -all

📨 DMARC

Policy	Record (_dmarc.csgb.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:ced1e70d2c70635@rep.dmarcanalyzer.com;ruf=mailto:ced1e70d2c70635@for.dmarcanalyzer.com;aspf=r;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE4 records 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.csgb-dk.o-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.csgb-dk.o-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.csgb-dk.o-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.csgb-dk.o-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC107ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2013100138
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

35ms

MX

35ms

AAAA

31ms

TXT

135ms

CAA

33ms

HTTPS

37ms

TLSA

54ms

SOA

0ms

MTA-STS

48ms

DNSSEC

107ms

SRV

66ms

Total

612ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 18:11:59	612ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 05:50:12	768ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 05:39:07	3025ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:28:05	644ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 02:24:57	859ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 18:16:52	17960ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 17:59:11	2957ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 16:43:49	6025ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 16:33:35	8467ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 16:30:45	1068ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 11:44:05	1375ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 11:43:06	1200ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 19:51:59	2371ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 22:34:24	3582ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 05:16:28	2825ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 21:39:12	4888ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 21:02:10	1981ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 15:23:32	10023ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 03:34:05	9009ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 07:39:33	4952ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:14:09	9084ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 00:50:41	24899ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 23:39:31	1138ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 23:10:32	9924ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 20:25:25	8915ms	2 NS 1 A 1 MX	🔒 Secure	View