stroemsholt.dk

📜 Historical scan 2026-08-10 20:30:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stroemsholt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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#

2 records 130ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	2a00:1450:4001:c21::1b 74.125.71.26	lcfrai-in-f27.1e100.net wn-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	192.178.213.27 2a00:1450:4013:c1e::1b	yugrqzs-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx4.googlemail.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx5.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.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#

1 records 560ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (stroemsholt.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.stroemsholt.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=5; rua=mailto:dmarc-reports@stroemsholt.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 2026-10-10 11:36:24

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves stroemsholt.dk: no address www.stroemsholt.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

476ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026080901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 12:02:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-06-19
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

130ms

244ms

159ms

AAAA

254ms

TXT

560ms

CAA

236ms

HTTPS

269ms

TLSA

354ms

SOA

0ms

MTA-STS

267ms

DNSSEC

476ms

SRV

296ms

Total

4996ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 11:36:24	702ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-07 21:13:06	651ms	2 NS 0 A 7 MX	🔒 Secure
2026-10-01 05:12:00	788ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-29 20:06:57	524ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-09 19:48:59	739ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-10 20:30:47 shown	4996ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-15 07:48:02	1687ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-12 15:32:28	1098ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-18 08:18:57	956ms	2 NS 0 A 7 MX	🔒 Secure