cr3.dk

📜 Historical scan 2026-09-10 15:17:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cr3.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 18 April 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.236.62.147 is hosted by Google LLC (AS396982) in United States. Mail is handled by cr3-dk.mail.protection.outlook.com. 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
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	300s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records#

1 records 93ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cr3-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca09::26 2a01:111:f403:ca21::a 52.101.209.153 52.101.68.18 52.101.68.36 52.101.91.153	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 723ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 271ms

TXT Record
d87b1e0e33bacc1edc8d4575bccc3d5e
j1dci6dvrti7a3fk7hvoup66v7
MS=ms33504506
v=spf1 include:_spf.mlsend.com ip4:5.103.29.187 ip4:213.83.147.44 ip4:83.151.140.36 ip4:5.186.38.219 ip4:45.74.4.112 ip4:62.198.41.161 ip4:45.74.4.64 ip4:185.15.72.35 ip4:83.151.140.36 ip4:83.151.140.36 include:spf.protection.outlook.com -all
v=spf1 ip4:5.103.29.187 ip4:213.83.147.44 ip4:83.151.140.36 ip4:5.186.38.219 ip4:45.74.4.112 ip4:62.198.41.161 ip4:45.74.4.64 ip4:185.15.72.35 include:spf.protection.outlook.com include:_spf.wix.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (cr3.dk)
-all (hard fail)	v=spf1 include:_spf.mlsend.com ip4:5.103.29.187 ip4:213.83.147.44 ip4:83.151.140.36 ip4:5.186.38.219 ip4:45.74.4.112 ip4:62.198.41.161 ip4:45.74.4.64 ip4:185.15.72.35 ip4:83.151.140.36 ip4:83.151.140.36 include:spf.protection.outlook.com -all
-all (hard fail)	v=spf1 ip4:5.103.29.187 ip4:213.83.147.44 ip4:83.151.140.36 ip4:5.186.38.219 ip4:45.74.4.112 ip4:62.198.41.161 ip4:45.74.4.64 ip4:185.15.72.35 include:spf.protection.outlook.com include:_spf.wix.com -all

📨 DMARC#

Policy	Record (_dmarc.cr3.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:sup@cr3.dk; sp=none

📬 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 2026-10-11 08:51:37

www CNAME	www128.wixdns.net (all on wixdns.net) → 34.149.87.45 (AS396982)
www vs bare domain	Same network cr3.dk: 23.236.62.147 (AS396982) www.cr3.dk: 34.149.87.45 (AS396982)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1._domainkey.cr3.dk.s008.ascendbywix.com	RSA · ~1024 bit below 2048 bit
s2	s2._domainkey.cr3.dk.s008.ascendbywix.com	RSA · ~1024 bit below 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: 2/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090902
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 05:39:29

Field	Value
Registrar	DANDOMAIN A/S
Registered	2007-04-18
Expires	2027-04-30 (190d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
acbase.dk	DANDOMAIN A/S
crtre.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

130ms

124ms

93ms

AAAA

140ms

TXT

271ms

CAA

147ms

HTTPS

135ms

TLSA

158ms

SOA

0ms

MTA-STS

150ms

DNSSEC

167ms

SRV

723ms

Total

1819ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:33:44	1118ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:01:53	890ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 07:03:39	904ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 15:17:51 shown	1819ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 11:44:05	1290ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:48:21	1129ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:45:04	801ms	2 NS 1 A 1 MX	🔒 Secure