75821900.dk

📜 Historical scan 2026-07-02 00:24:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

75821900.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 29 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.221.38.123 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is DNSSEC-signed and validates, has no 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.221.38.123	60s	s1c8lb1.shopfactory.io	AS48854	team.blue Denmark A/S	185.221.36.0/22	🇩🇰 Denmark	—

📧 MX Records#

6 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a	lm-in-f26.1e100.net lu-in-x1a.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-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	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	mail.75821900.dk	216.58.201.238 216.58.201.238 216.58.201.238 2a00:1450:400f:810::200e	lcarnb-af-in-f14.1e100.net fra02s18-in-f14.1e100.net par10s33-in-f14.1e100.net lcarnb-af-in-x0e.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	google.com → 216.58.201.238
🔶 Autoconfig	google.com → 172.217.20.174

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 125ms

TXT Record
v=spf1 include:spf.curanet.dk ?all

✉️ SPF#

Policy	Record (75821900.dk)
?all (neutral)	v=spf1 include:spf.curanet.dk ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-09-29 22:13:14

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.75821900.dk	google.com
TXT	google.com	MS=E4A68B9AB2BB9670BCE15412F62916164C0B20BB
TXT	google.com	apple-domain-verification=30afIBcvSuDV2PLX
TXT	google.com	docusign=05958488-4752-4ef2-95eb-aa7ba8a3bd0e
TXT	google.com	docusign=1b0a6754-49b1-4db5-8540-d2c12664b289
TXT	google.com	facebook-domain-verification=22rm551cu4k0ab0bxsw536tlds4h95
TXT	google.com	globalsign-smime-dv=CDYX+XFHUw2wml6/Gb8+59BsH31KzUr6c1l2BPvqKX8=
TXT	google.com	onetrust-domain-verification=0d477fe608074e6f9c12bca7826035cc
TXT	google.com	onetrust-domain-verification=6d685f1d41a94696ad7ef771f68993e0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

132ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 10:45:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-12-29
Expires	2026-12-31 (75d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

26ms

42ms

AAAA

31ms

TXT

125ms

CAA

35ms

HTTPS

33ms

TLSA

120ms

SOA

38ms

MTA-STS

78ms

DNSSEC

132ms

SRV

74ms

Total

1125ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:13:14	1496ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-27 06:01:51	1080ms	2 NS 1 A 6 MX	🔒 Secure
2026-09-01 13:55:47	1149ms	2 NS 1 A 6 MX	🔒 Secure
2026-07-02 00:24:55 shown	1125ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-16 13:15:40	867ms	2 NS 1 A 6 MX	🔒 Secure