tekup.dk

📜 Historical scan 2026-08-15 20:14:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tekup.dk is a .dk domain served by 2 nameservers (fonzie.ns.cloudflare.com, irma.ns.cloudflare.com). It was registered on 26 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.139 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.tekup.dk. 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 233ms

Nameserver	IP addresses	PTR	ASN / ISP
fonzie.ns.cloudflare.com	108.162.195.70 162.159.44.70 172.64.35.70 2606:4700:58::a29f:2c46 2803:f800:50::6ca2:c346 2a06:98c1:50::ac40:2346	fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com fonzie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
irma.ns.cloudflare.com	108.162.192.166 172.64.32.166 173.245.58.166 2606:4700:50::adf5:3aa6 2803:f800:50::6ca2:c0a6 2a06:98c1:50::ac40:20a6	irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.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 507ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.39.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.25	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 257ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.tekup.dk	57.128.215.250	vps-70333b3c.vps.ovh.net	AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records 246ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9219	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:278b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 445ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBggAgACCxd/3IL9SPUObw00jXkoc+0plXcxr9Afcx4YCKmEp5PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b

📝 TXT Records#

1 records 988ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (tekup.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.tekup.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@tekup.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 2026-10-13 13:51:03

www	104.21.39.139 172.67.146.25 2606:4700:3030::ac43:9219 2606:4700:3037::6815:278b (AS13335) (address records, no CNAME)
www vs bare domain	Same network tekup.dk: 104.21.39.139 172.67.146.25 2606:4700:3030::ac43:9219 2606:4700:3037::6815:278b (AS13335) www.tekup.dk: 104.21.39.139 172.67.146.25 2606:4700:3030::ac43:9219 2606:4700:3037::6815:278b (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

804ms

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	2412209315
Primary NS (MNAME)	fonzie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 13:00:41

Field	Value
Registrar	Simply.com A/S
Registered	2026-04-26
Expires	2027-04-25 (188d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
essenzaperfume.dk	Punktum dk A/S (direct)
roro.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

233ms

507ms

257ms

AAAA

246ms

TXT

988ms

CAA

617ms

HTTPS

445ms

TLSA

326ms

SOA

0ms

MTA-STS

808ms

DNSSEC

804ms

SRV

540ms

Total

4635ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:51:03	692ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 01:08:59	1030ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 12:02:40	2095ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 21:58:29	1327ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 23:21:53	1290ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 23:01:46	2065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 00:32:07	1139ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 22:17:13	9640ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 22:01:16	3200ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 20:14:05 shown	4635ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 14:43:33	1587ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-27 12:15:12	10444ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 11:56:24	1982ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-15 20:14:10	1204ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 21:31:04	884ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 07:26:35	1156ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 16:44:59	2174ms	2 NS 2 A 1 MX	🔓 Insecure