semattor.dk

📜 Historical scan 2026-09-26 21:45:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semattor.dk is a .dk domain served by 2 nameservers (art.ns.cloudflare.com, sharon.ns.cloudflare.com). It was registered on 23 December 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.70 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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 27ms

Nameserver	IP addresses	PTR	ASN / ISP
art.ns.cloudflare.com	108.162.193.102 172.64.33.102 173.245.59.102 2606:4700:58::adf5:3b66 2803:f800:50::6ca2:c166 2a06:98c1:50::ac40:2166	art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sharon.ns.cloudflare.com	108.162.192.221 172.64.32.221 173.245.58.221 2606:4700:50::adf5:3add 2803:f800:50::6ca2:c0dd 2a06:98c1:50::ac40:20dd	sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.70	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.95	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a	yulpptr-in-f27.1e100.net lq-in-x1a.1e100.net lq-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:885f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3646	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.70,172.67.136.95 ech=AEX+DQBBGQAgACBrJ96InNwWTYSATlTsB1MQFF1GV214wknOgnJRMG9JLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:885f,2606:4700:3037::6815:3646

📝 TXT Records#

3 records 163ms

TXT Record
google-site-verification=P-0c3yVQ3WMUQ_TGRMjRDkJOydb_PmvZ33HFd8fCWfk
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2G6HhcMlvvo1M1Ejm6gywDvmSsNpAMoujoX4idB+JQtGa1CesCRArG45cEdC8ApKVFODgtlft5EqIyD6z1H+2Yn5GaAcMlmzUFNvsNjjPZgCymTRCACcGVH53CI/dO6AZTP6XXsKtYiNuijXpDau73lhBH9/BS+qmZflRqv6x6+7PlfaXq228SN1X0kDNnOK5IvCMCMGXK6MP7zhV+QsT9AL1EW2/FbMCR2P3eY8rxnQal1w5sicBED6QbV/vXSROvQhb1UAs5pmHid/PanRhgxqzoVZxqCI+eBtfDBitVTGDVfpoxyjqIT3xGxGmHdE8uUKzfrK/l/kESFPVwnwvQIDAQAB
v=spf1 include:_spf.google.com a mx ip4:188.66.62.76 include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (semattor.dk)
~all (soft fail)	v=spf1 include:_spf.google.com a mx ip4:188.66.62.76 include:servers.mcsv.net ~all

📨 DMARC#

Policy	Record (_dmarc.semattor.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-11 03:23:00

www	104.21.54.70 172.67.136.95 2606:4700:3035::ac43:885f 2606:4700:3037::6815:3646 (AS13335) (address records, no CNAME)
www vs bare domain	Same network semattor.dk: 104.21.54.70 172.67.136.95 2606:4700:3035::ac43:885f 2606:4700:3037::6815:3646 (AS13335) www.semattor.dk: 104.21.54.70 172.67.136.95 2606:4700:3035::ac43:885f 2606:4700:3037::6815:3646 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.semattor.dk	f8saZQKyTuJFtvL5W5b3RTlqbzsMy1iIdfnc9RmCvyU
TXT	_acme-challenge.semattor.dk	iiIG6wWKha6bH9-kd99zgfIadGkBx11Qlrx5gwKj0R0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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	2415894077
Primary NS (MNAME)	art.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 14:40:15

Field	Value
Registrar	ONE.COM A/S
Registered	2022-12-23
Expires	2026-12-22 (64d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

27ms

29ms

38ms

AAAA

40ms

TXT

163ms

CAA

34ms

HTTPS

35ms

TLSA

200ms

SOA

0ms

MTA-STS

56ms

DNSSEC

107ms

SRV

52ms

Total

954ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:28:18	921ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 22:03:35	911ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 21:45:59 shown	954ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-01 18:55:58	864ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-21 22:51:45	3200ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-01 23:27:55	1412ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 11:56:31	1118ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 16:11:19	738ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 08:18:11	1097ms	2 NS 2 A 5 MX	🔓 Insecure