dbu.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	900s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dbu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 52.101.181.153 52.101.73.123 52.101.73.16 52.101.73.2	mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 71ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.outlook.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records10 records 163ms

TXT Record
fArRBIVrJmmxWcqztux/cDIrzwFS+GtzySdxp1rpj88=
globalsign-domain-verification=ja_CUaX3MO7nAkA1ctVFTnvzvW-myFzkPvfV_uz137
globalsign-domain-verification=LJ2FGLMeegiMKJDnwHyskecDgp92KsCzZT7xSkQEt5
globalsign-domain-verification=mmVdIlaNYV9nzX0ZuRUog8D9PePNfhyRs0XJIqHxI1
google-site-verification=cEgiwzxxGcNx8iyGfEl-pEPt31JQlA5N-KWOq6vRToE
google-site-verification=tVRWigfCLOFjuwfFWhaoT70uVayo_Dh1TpQRGns26Is
MS=ms69292208
pgBn8eCbMImmUjp0j1MC5Y5hsREdW9iQFCvoDoxRrTNaVBoXBETVWypog1KmTiZscawOBGaUCht7mjGFPtbQ9w==
v=spf1 ip4:168.63.121.165 ip4:185.163.189.41 ip4:185.163.189.46 ip4:12.129.35.25/29 ip4:169.145.39.240/29 ip4:195.191.143.12 ip4:87.54.50.120/29 ip4:10.75.2.8/29 ip4:194.150.113.0/24 ip4:194.150.112.0/24 include:spf.protection.outlook.com include:_spf.concurcompleat.com include:_spf.presscloud.com include:sendgrid.net include:dedicated.mysmtp.com -all
y6AIQu5kM0uV+D2WwRGDH2+jFDbkKY0IIVfU8IG8Ifo=

✉️ SPF

Policy	Record (dbu.dk)
-all (hard fail)	v=spf1 ip4:168.63.121.165 ip4:185.163.189.41 ip4:185.163.189.46 ip4:12.129.35.25/29 ip4:169.145.39.240/29 ip4:195.191.143.12 ip4:87.54.50.120/29 ip4:10.75.2.8/29 ip4:194.150.113.0/24 ip4:194.150.112.0/24 include:spf.protection.outlook.com include:_spf.concurcompleat.com include:_spf.presscloud.com include:sendgrid.net include:dedicated.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.dbu.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; ruf=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; fo=0; pct=100; ri=86400

📬 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072701
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

41ms

MX

36ms

AAAA

66ms

TXT

163ms

CAA

37ms

HTTPS

53ms

TLSA

597ms

SOA

0ms

MTA-STS

67ms

DNSSEC

89ms

SRV

71ms

Total

1146ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:08:52	1146ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:46:21	1505ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 01:32:37	1055ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 14:08:16	1708ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 17:17:58	3244ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-23 08:24:42	1151ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 02:32:42	840ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:16:05	805ms	2 NS 1 A 1 MX	🔒 Secure	View