holm52.dk

📜 Historical scan 2026-08-11 01:36:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holm52.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.99.3.226 is hosted by GlobalConnect AB (AS12552) in Sweden. Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 2 more. The zone is DNSSEC-signed and validates, 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 253ms

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#

1 records 255ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.99.3.226	3600s	mail.nouw.com	AS12552	GlobalConnect AB	82.99.0.0/22	🇸🇪 Sweden	—

📧 MX Records#

4 records 243ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH
10	3600s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH
10	3600s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH
10	3600s	mxext4.mailbox.org	2001:67c:2050:104:0:4:25:1 80.241.60.217	mx4.mailbox.org mx4.mailbox.org	AS199118 Heinlein Support GmbH AS199118 Heinlein Support GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 591ms

TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF#

Policy	Record (holm52.dk)
~all (soft fail)	v=spf1 include:mailbox.org ~all

📨 DMARC#

Policy	Record (_dmarc.holm52.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-16 07:37:43

www	82.99.3.226 (AS12552) (address records, no CNAME)
www vs bare domain	Same network holm52.dk: 82.99.3.226 (AS12552) www.holm52.dk: 82.99.3.226 (AS12552)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

12 records 804ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext4.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…

🔐 DNSSEC#

451ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080903
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 2026-10-03 16:03:10

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-07
Expires	2029-03-06 (860d)

📋 WHOIS#

⏱️ Lookup Timing#

253ms

255ms

243ms

AAAA

241ms

TXT

591ms

CAA

243ms

HTTPS

237ms

TLSA

804ms

SOA

0ms

MTA-STS

311ms

DNSSEC

451ms

SRV

288ms

Total

6922ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 16:01:26	3050ms	3 NS 1 A 4 MX	🔒 Secure
2026-09-07 18:27:36	1245ms	3 NS 1 A 4 MX	🔒 Secure
2026-08-11 01:36:37 shown	6922ms	3 NS 1 A 4 MX	🔒 Secure
2026-07-16 22:01:57	1664ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-21 04:35:52	3121ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-19 20:55:19	4760ms	3 NS 1 A 3 MX	🔒 Secure
2026-06-17 13:36:44	3641ms	3 NS 1 A 3 MX	🔒 Secure