constantsolutions.dk

📜 Historical scan 2026-07-18 16:59:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

constantsolutions.dk is a .dk domain served by 2 nameservers (kim.ns.cloudflare.com, lennox.ns.cloudflare.com). It was registered on 24 March 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.248 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 DNSSEC-signed and validates, 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
kim.ns.cloudflare.com	108.162.192.126 172.64.32.126 173.245.58.126 2606:4700:50::adf5:3a7e 2803:f800:50::6ca2:c07e 2a06:98c1:50::ac40:207e	kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lennox.ns.cloudflare.com	108.162.195.214 162.159.44.214 172.64.35.214 2606:4700:58::a29f:2cd6 2803:f800:50::6ca2:c3d6 2a06:98c1:50::ac40:23d6	lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.ns.cloudflare.com lennox.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.248	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.158.143	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 74.125.131.26	li-in-f27.1e100.net li-in-x1b.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.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	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	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:28f8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:9e8f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.248,172.67.158.143 ech=AEX+DQBBwAAgACAlFqtLJEkyV4g4uDBVEFLjuOTD6QGNkcvc4saLhyInTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:28f8,2606:4700:3033::ac43:9e8f

📝 TXT Records#

4 records 169ms

TXT Record
google-site-verification=_jHkztTUzCAVO4nDUtLkcFqisgJmqo8cbqKyZlBO0as
google-site-verification=mMrhgSBUg-7_blKKLdxVpB1b5vRaqH8fKJpcRVDosvc
stripe-verification=61fb139926d9e30f051d9e9ab96138bf528dbb23e4cf495d02280c5e4a92fb18
v=spf1 include:_spf.google.com include:amazonses.com ~all

✉️ SPF#

Policy	Record (constantsolutions.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:amazonses.com ~all

📨 DMARC#

Policy	Record (_dmarc.constantsolutions.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:mattias@constantsolutions.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 2026-10-14 00:15:10

www	104.21.40.248 172.67.158.143 2606:4700:3032::6815:28f8 2606:4700:3033::ac43:9e8f (AS13335) (address records, no CNAME)
www vs bare domain	Same network constantsolutions.dk: 104.21.40.248 172.67.158.143 2606:4700:3032::6815:28f8 2606:4700:3033::ac43:9e8f (AS13335) www.constantsolutions.dk: 104.21.40.248 172.67.158.143 2606:4700:3032::6815:28f8 2606:4700:3033::ac43:9e8f (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

7 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
google	—	RSA · ~2048 bit
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2409775389
Primary NS (MNAME)	kim.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 00:36:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-03-24
Expires	2027-03-31 (164d)

🔗 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#

33ms

41ms

32ms

AAAA

54ms

TXT

169ms

CAA

43ms

HTTPS

32ms

TLSA

109ms

SOA

0ms

MTA-STS

70ms

DNSSEC

127ms

SRV

8076ms

Total

9773ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 00:15:10	997ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-12 18:46:37	618ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-11 18:40:43	1788ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-04 08:16:40	2873ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-03 08:15:04	1762ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-02 06:15:18	1056ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-01 06:05:48	1280ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-30 08:34:05	743ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-25 21:58:22	871ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-24 03:53:29	887ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-15 08:23:55	1653ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-05 02:20:04	1845ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-02 06:34:00	1492ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-30 12:07:32	656ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-27 16:14:47	1332ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-25 07:21:09	8846ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-14 13:05:01	6787ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-13 11:22:19	1732ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-07 17:11:57	9475ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-03 11:30:49	9045ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-18 16:59:00 shown	9773ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-10 13:09:04	9609ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-06 23:12:32	9351ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-27 14:21:22	1297ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-16 22:06:37	653ms	2 NS 2 A 5 MX	🔒 Secure