75821900.dk

Records from scan: 2026-09-29 22:13:14 · 1496ms total · last checked 2026-10-15 22:21 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 27ms

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 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.163.27	lm-in-f27.1e100.net lm-in-x1b.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.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	alt4.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
10	300s	mail.75821900.dk	172.217.19.238 172.217.19.238 2a00:1450:400f:808::200e 2a00:1450:400f:808::200e	lcarna-ad-in-f14.1e100.net par21s11-in-f14.1e100.net arn09s10-in-x0e.1e100.net lcarna-ad-in-x0e.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	google.com → 172.217.19.238
🔶 Autoconfig	google.com → 172.217.19.238

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 149ms

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#

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	_r4rd1pvwyrpi7sw4a3hzmw8e51yh9td
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
TXT	google.com	work-accounts-domain-verification=Tcj6JjIMZOw2KsSEw2Nt2rLae89tN6

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

0ms

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#

28ms

27ms

28ms

AAAA

45ms

TXT

149ms

CAA

27ms

HTTPS

27ms

TLSA

84ms

SOA

0ms

MTA-STS

60ms

DNSSEC

52ms

SRV

71ms

Total

1496ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:13:14 shown	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	1125ms	2 NS 1 A 6 MX	🔒 Secure
2026-06-16 13:15:40	867ms	2 NS 1 A 6 MX	🔒 Secure