kalkknuser.dk

📜 Historical scan 2026-10-01 19:10:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalkknuser.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 3 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. 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#

4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records#

5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.130.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	yulppbn-in-f27.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	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	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:5::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

6 records 147ms

TXT Record
apple-domain-verification=b3cSsu9iU--6G6vtzfUoGkErc2zI7XrSSTJ-_zdt0LQ
apple-domain-verification=iKN-RBqp1JkLjdIMaMdRQnxAmpGM87bEXaiCdXbf6M0
facebook-domain-verification=18khd7eh6ubifk218zvgrrbwpfyd9f
google-site-verification=aqNrEPw2Afh25XHJBRrl_Un-wl1UiwrX1a9MXuJOMTg
google-site-verification=n6uhKiEmWmgrUKGIo8Vvsp96seed8ZBWUgvd09poHLA
v=spf1 include:shops.shopify.com include:spf.simply.com include:_spf.herodesk-mails.io ~all

✉️ SPF#

Policy	Record (kalkknuser.dk)
~all (soft fail)	v=spf1 include:shops.shopify.com include:spf.simply.com include:_spf.herodesk-mails.io ~all

📨 DMARC#

Policy	Record (_dmarc.kalkknuser.dk)
p=reject	v=DMARC1;p=reject;pct=100;

📬 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 2026-10-21 09:07:45

www CNAME	shops.myshopify.com (all on myshopify.com) → 23.227.38.74 2620:127:f00f:e:: (AS13335)
www vs bare domain	Same network kalkknuser.dk: 23.227.38.65 2620:127:f00f:5:: (AS13335) www.kalkknuser.dk: 23.227.38.74 2620:127:f00f:e:: (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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026100100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-22 23:16:02

Field	Value
Registrar	Simply.com A/S
Registered	2012-02-03
Expires	2027-02-28 (128d)

🔗 Same registrant#

4 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
amtech.dk	Simply.com A/S
kalkknuseren.dk	Simply.com A/S
kalktech.dk	Simply.com A/S
vandprøven.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

35ms

30ms

AAAA

33ms

TXT

147ms

CAA

26ms

HTTPS

34ms

TLSA

102ms

SOA

31ms

MTA-STS

45ms

DNSSEC

80ms

SRV

51ms

Total

549ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 09:07:45	685ms	4 NS 1 A 5 MX	🔓 Insecure
2026-10-13 03:00:43	1492ms	4 NS 1 A 5 MX	🔓 Insecure
2026-10-01 19:10:19 shown	549ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-24 17:52:59	803ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-15 07:43:54	687ms	4 NS 1 A 5 MX	🔓 Insecure
2026-09-04 11:14:56	2919ms	4 NS 1 A 5 MX	🔓 Insecure
2026-08-26 12:03:38	898ms	4 NS 1 A 5 MX	🔓 Insecure
2026-08-04 05:58:20	1598ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-27 16:35:25	869ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-19 18:31:12	713ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-18 04:28:00	1203ms	4 NS 1 A 5 MX	🔓 Insecure