dcu.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
alexandra.ns.cloudflare.com	108.162.194.30 162.159.38.30 172.64.34.30 2606:4700:50::a29f:261e 2803:f800:50::6ca2:c21e 2a06:98c1:50::ac40:221e	alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
bryce.ns.cloudflare.com	108.162.195.137 162.159.44.137 172.64.35.137 2606:4700:58::a29f:2c89 2803:f800:50::6ca2:c389 2a06:98c1:50::ac40:2389	bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com bryce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.10.30	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.11.30	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.72.50	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dcu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 52.101.68.0 52.101.68.36 52.101.73.26 52.101.73.4	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	172.67.72.50

🔷 AAAA Records (IPv6)3 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:a1e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:b1e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4832	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.10.30,104.26.11.30,172.67.72.50 ipv6hint=2606:4700:20::681a:a1e,2606:4700:20::681a:b1e,2606:4700:20::ac43:4832

📝 TXT Records3 records 210ms

TXT Record
facebook-domain-verification=eftkcy3e5c9k9v0pbuhvhlfdlbeg1z
google-site-verification=uhr4JkqNB_aojVQzIeYexKpshkFvjRuMFWshOQz05b4
v=spf1 ip4:80.166.12.217 ip4:80.166.12.191 ip4:185.98.96.106 ip4:77.66.12.50 ip4:91.121.192.191 ip4:185.134.30.16 ip4:213.150.59.228 ip4:93.191.152.243 a:mb34454.meebox.host a:asmtp.onlinemail.io include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com -all

✉️ SPF

Policy	Record (dcu.dk)
-all (hard fail)	v=spf1 ip4:80.166.12.217 ip4:80.166.12.191 ip4:185.98.96.106 ip4:77.66.12.50 ip4:91.121.192.191 ip4:185.134.30.16 ip4:213.150.59.228 ip4:93.191.152.243 a:mb34454.meebox.host a:asmtp.onlinemail.io include:servers.mcsv.net include:spf.protection.outlook.com include:spf.mandrillapp.com -all

📨 DMARC

Policy	Record (_dmarc.dcu.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@dcu.dk;

📬 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)

🔐 DNSSEC92ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411419166
Primary NS (MNAME)	alexandra.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

52ms

MX

70ms

AAAA

56ms

TXT

210ms

CAA

60ms

HTTPS

44ms

TLSA

419ms

SOA

0ms

MTA-STS

67ms

DNSSEC

92ms

SRV

88ms

Total

2015ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 01:43:55	2015ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-07-29 01:15:34	2252ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-07-03 13:49:01	5241ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-30 04:36:41	1097ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-27 00:36:37	1125ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-25 03:05:45	3317ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-23 12:55:45	1202ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-20 05:17:40	694ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-17 01:27:07	672ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-17 01:20:48	753ms	2 NS 3 A 1 MX	🔓 Insecure	View