mattsson.dk

📜 Historical scan 2026-06-21 09:28:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mattsson.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. 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 has no IPv6 address. 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#

3 records 280ms

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

🌍 A Records#

4 records 298ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records#

5 records 295ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	aspmx.l.google.com	173.194.222.27 2a00:1450:4025:c03::1a	lo-in-f27.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	21600s	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	21600s	alt2.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
30	21600s	alt3.aspmx.l.google.com	192.178.230.26 2404:6800:4003:c26::1b	yunrtab-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	21600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 677ms

TXT Record
google-site-verification=xp_wvG3nIcU-_ha3F4Blv9dfgfrwmh4N2Jj2u29dpD0
v=spf1 ip4:178.79.141.229 ip4:198.2.128.0/24 ip4:198.2.132.0/22 ip4:198.2.136.0/23 ip4:198.2.145.0/24 ip4:198.2.186.0/23 ip4:205.201.131.128/25 ip4:205.201.134.128/25 ip4:205.201.136.0/23 ip4:205.201.139.0/24 ip4:198.2.177.0/24 ip4:198.2.178.0/23 ip4:198.2.180.0/24 include:_spf.google.com include:spf.mandrillapp.com include:_custspf.one.com include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (mattsson.dk)
~all (soft fail)	v=spf1 ip4:178.79.141.229 ip4:198.2.128.0/24 ip4:198.2.132.0/22 ip4:198.2.136.0/23 ip4:198.2.145.0/24 ip4:198.2.186.0/23 ip4:205.201.131.128/25 ip4:205.201.134.128/25 ip4:205.201.136.0/23 ip4:205.201.139.0/24 ip4:198.2.177.0/24 ip4:198.2.178.0/23 ip4:198.2.180.0/24 include:_spf.google.com include:spf.mandrillapp.com include:_custspf.one.com include:servers.mcsv.net ~all

📨 DMARC#

Policy	Record (_dmarc.mattsson.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@n4uecdqr.uriports.com; adkim=s; aspf=r

📬 MTA-STS#

869ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20260220085206Z
max_age	86400s
Policy MX	alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx.l.google.com, alt4.aspmx.l.google.com

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@n4uecdqr.uriports.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 19:20:22

www CNAME	ext-cust.squarespace.com (all on squarespace.com) → 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
www vs bare domain	Same network mattsson.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.mattsson.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

430ms

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

🏷️ SOA#

303ms

Field	Value
Serial	2026022001
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 2026-10-11 19:55:48

Field	Value
Registrar	Simply.com A/S
Registered	1998-02-23
Expires	2027-03-31 (154d)

🔗 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#

280ms

298ms

295ms

AAAA

302ms

TXT

677ms

CAA

309ms

HTTPS

296ms

TLSA

584ms

SOA

303ms

MTA-STS

869ms

DNSSEC

430ms

SRV

329ms

Total

3418ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 19:20:22	1204ms	3 NS 4 A 5 MX	🔓 Insecure
2026-10-03 13:04:56	3726ms	3 NS 4 A 5 MX	🔓 Insecure
2026-06-26 13:49:56	1068ms	3 NS 4 A 5 MX	🔓 Insecure
2026-06-24 18:58:31	884ms	3 NS 4 A 0 MX	🔓 Insecure
2026-06-23 17:29:09	1227ms	3 NS 4 A 5 MX	🔓 Insecure
2026-06-21 09:28:18 shown	3418ms	3 NS 4 A 5 MX	🔓 Insecure
2026-06-18 02:10:17	2801ms	3 NS 4 A 5 MX	🔓 Insecure