crowe.dk

📜 Historical scan 2026-09-28 01:32:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crowe.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 159.246.55.100 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by crowe-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 30ms

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#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.246.55.100	900s	—	AS209242	Cloudflare London, LLC	159.246.55.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	crowe-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca21::a 2a01:111:f403:ca21::c 2a01:111:f403:ca48::12 52.101.103.137 52.101.73.126 52.101.91.153 52.101.91.159	mail-db9pr02cu00204.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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 61ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 160ms

TXT Record
v=spf1 ip4:185.157.87.146 ip4:37.205.124.178 a:crowe.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (crowe.dk)
-all (hard fail)	v=spf1 ip4:185.157.87.146 ip4:37.205.124.178 a:crowe.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.crowe.dk)
p=reject	v=DMARC1;p=reject;

📬 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 2026-10-23 03:47:19

www	159.246.55.100 (AS209242) (address records, no CNAME)
www vs bare domain	Same network crowe.dk: 159.246.55.100 (AS209242) www.crowe.dk: 159.246.55.100 (AS209242)
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
selector1	selector1-crowe-dk._domainkey.crowehorwathdk.onmicrosoft.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

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026090901
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 13:33:45

Field	Value
Registrar	Safenames Ltd
Registered	2018-07-30
Expires	2027-07-31 (279d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

36ms

AAAA

33ms

TXT

160ms

CAA

44ms

HTTPS

38ms

TLSA

742ms

SOA

45ms

MTA-STS

45ms

DNSSEC

77ms

SRV

61ms

Total

5229ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 03:47:19	3169ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 13:14:58	1222ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 01:32:31 shown	5229ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 07:11:20	1038ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:57:41	873ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 09:09:59	5946ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 19:37:55	5646ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 03:54:48	1265ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-10 23:23:02	2173ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 03:51:30	1215ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 07:27:26	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:06:13	5672ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:00:13	2561ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:00:02	792ms	2 NS 1 A 1 MX	🔒 Secure