dcu.dk

📜 Historical scan 2026-09-19 23:18:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcu.dk is a .dk domain served by 2 nameservers (alexandra.ns.cloudflare.com, bryce.ns.cloudflare.com). It was registered on 13 May 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.10.30 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dcu-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

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 Records#

3 records 40ms

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 Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dcu-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::9 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 52.101.209.31 52.101.68.16 52.101.73.123 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.136
🔶 Autoconfig	104.26.11.30

🔷 AAAA Records (IPv6)#

3 records 54ms

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 Records#

1 records 38ms

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 Records#

3 records 186ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-05 06:23:35

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

3 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-dcu-dk._domainkey.danskcampingunion.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-dcu-dk._domainkey.danskcampingunion.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-05 07:01:21

Field	Value
Registrar	A/S SCANNET
Registered	1996-05-13
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

40ms

32ms

AAAA

54ms

TXT

186ms

CAA

35ms

HTTPS

38ms

TLSA

379ms

SOA

0ms

MTA-STS

47ms

DNSSEC

67ms

SRV

71ms

Total

1541ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 06:23:35	1319ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-29 05:52:24	920ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-28 05:24:29	9682ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-25 05:41:20	1600ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-19 23:18:22 shown	1541ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-08 01:43:55	2015ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-29 01:15:34	2252ms	2 NS 3 A 1 MX	🔓 Insecure
2026-07-03 13:49:01	5241ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-30 04:36:41	1097ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-27 00:36:37	1125ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-25 03:05:45	3317ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-23 12:55:45	1202ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-20 05:17:40	694ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-17 01:27:07	672ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-17 01:20:48	753ms	2 NS 3 A 1 MX	🔓 Insecure