frostlarsson.dk

📜 Historical scan 2026-06-17 10:01:13  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frostlarsson.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 19 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailrelay.nxdomain.dk. 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   48ms
NameserverIP addressesPTRASN / 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#

🌍
No A records found

📧 MX Records#

1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mailrelay.nxdomain.dk 212.178.179.169 mailrelay.nxdomain.dk AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   371ms
TXT Record
v=spf1 ip4:212.178.179.160/28 -all

✉️ SPF#

PolicyRecord (frostlarsson.dk)
-all (hard fail) v=spf1 ip4:212.178.179.160/28 -all

📨 DMARC#

PolicyRecord (_dmarc.frostlarsson.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dkim-postmaster@allcom.dk

📬 MTA-STS#

684ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID2023062101
max_age604800s
Policy MX—

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:smtptlsreport@nxdomain.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 14:59:27
wwwNXDOMAIN
www vs bare domainNeither resolves
frostlarsson.dk: no address
www.frostlarsson.dk: no address
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   191ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 27D4636990473032011C569D5D0A0038…
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 9A7188551AD40031CA7B6F426D5CB93C…

🔐 DNSSEC#

175ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

54ms
FieldValue
Serial2026032500
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-11 04:27:06
FieldValue
RegistrarSimply.com A/S
Registered2015-05-19
Expires2027-05-31 (219d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
48ms
A
61ms
MX
49ms
AAAA
47ms
TXT
371ms
CAA
48ms
HTTPS
52ms
TLSA
191ms
SOA
54ms
MTA-STS
684ms
DNSSEC
175ms
SRV
0ms
Total
1928ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 21:31:28 536ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-29 21:16:23 653ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-27 14:41:18 634ms 3 NS 0 A 1 MX 🔓 Insecure
2026-09-09 18:40:06 878ms 3 NS 0 A 1 MX 🔓 Insecure
2026-06-25 06:50:05 1175ms 3 NS 0 A 1 MX 🔓 Insecure
2026-06-23 02:22:42 1201ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 10:01:13 shown 1928ms 3 NS 0 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone