tamu.dk

📜 Historical scan 2026-09-04 18:51:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tamu.dk is a .dk domain served by 2 nameservers (chad.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 9 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.200 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
chad.ns.cloudflare.com	108.162.193.82 172.64.33.82 173.245.59.82 2606:4700:58::adf5:3b52 2803:f800:50::6ca2:c152 2a06:98c1:50::ac40:2152	chad.ns.cloudflare.com chad.ns.cloudflare.com chad.ns.cloudflare.com chad.ns.cloudflare.com chad.ns.cloudflare.com chad.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zainab.ns.cloudflare.com	108.162.194.149 162.159.38.149 172.64.34.149 2606:4700:50::a29f:2695 2803:f800:50::6ca2:c295 2a06:98c1:50::ac40:2295	zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com zainab.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.200	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.109	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	dk.mx1.mailanyone.net	192.162.219.155 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd	mx41.electric.net mx11.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	60s	dk.mx2.mx25.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.
30	60s	dk.mx3.mailanyone.net	192.162.219.255 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
40	60s	dk.mx4.mx25.net	192.162.219.255	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5cc8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c56d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.200,172.67.197.109 ech=AEX+DQBBTAAgACAGAb+/Wz5/vYPbKtAE2IZH2SbS9Pv1IVVT+7362FAVNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5cc8,2606:4700:3037::ac43:c56d

🔌 SRV Records#

1 records 87ms

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

📝 TXT Records#

5 records 221ms

TXT Record
_fc4bshwlvve1s0i22yg807y12vmw3ll
1x5lpr3lvl8zlply27xm85w7t38436g0
ms-domain-verification=bf21a323-31d9-4aba-acf3-17fd8d694ce7
v=spf1 ip4:131.165.73.21/32 ip4:131.165.73.4/32 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf.mailanyone.net -all
vpe=cbe8074

✉️ SPF#

Policy	Record (tamu.dk)
-all (hard fail)	v=spf1 ip4:131.165.73.21/32 ip4:131.165.73.4/32 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf.mailanyone.net -all

📨 DMARC#

Policy	Record (_dmarc.tamu.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@tamu.dk; ruf=mailto:dmarc@tamu.dk; fo=1

📬 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 2026-10-07 21:41:24

www	104.21.92.200 172.67.197.109 2606:4700:3031::6815:5cc8 2606:4700:3037::ac43:c56d (AS13335) (address records, no CNAME)
www vs bare domain	Same network tamu.dk: 104.21.92.200 172.67.197.109 2606:4700:3031::6815:5cc8 2606:4700:3037::ac43:c56d (AS13335) www.tamu.dk: 104.21.92.200 172.67.197.109 2606:4700:3031::6815:5cc8 2606:4700:3037::ac43:c56d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tamu.dk	8ieyLQ2qBsOOvM70vMqAS4D4Jts1DHjtSPoR1lfyc8U
TXT	_acme-challenge.tamu.dk	beY3geh8H-AUCkGXFUnBPU8TdELweA2NtVhe57gJ-aU

🔗 TLSA / DANE#

8 records 209ms

Service / Owner	Type	Cert association
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx1.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx2.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…
SMTP _25._tcp.dk.mx3.mailanyone.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	443DFE296DAC92DD311766BAD0B04CC7…
SMTP _25._tcp.dk.mx4.mx25.net	DANE-EE · Full cert · SHA-256	1AAAC405385DEB66C25E43D629569F6C…

🔐 DNSSEC#

124ms

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	2414001661
Primary NS (MNAME)	chad.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 21:52:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-09
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

42ms

48ms

AAAA

60ms

TXT

221ms

CAA

52ms

HTTPS

40ms

TLSA

209ms

SOA

0ms

MTA-STS

70ms

DNSSEC

124ms

SRV

87ms

Total

2058ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:41:24	1314ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-15 12:34:47	10389ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-14 16:14:40	2658ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-04 18:51:26 shown	2058ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-29 08:03:19	1855ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 06:56:23	991ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-25 02:34:21	2937ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-20 23:36:48	1928ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-18 21:56:55	3838ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-09 12:50:19	2892ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-27 08:20:31	3348ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-23 10:03:58	1017ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-22 09:15:24	1426ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-21 04:44:34	889ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 23:31:42	1902ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 05:47:47	1405ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 23:52:04	1677ms	2 NS 2 A 4 MX	🔓 Insecure