crowe.dk DNS records

🖥️ Nameservers2 records 41ms

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 Records1 records 55ms

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 Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	crowe-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.16 52.101.73.145 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 227ms

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

📝 TXT Records1 records 272ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC80ms

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

🏷️ SOA0ms

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

📋 RegistrationWHOIS fetched 2026-07-15 04:00:41

Field	Value
Registrar	Safenames Ltd
Registered	2018-07-30
Expires	2026-07-31 (expired)

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

55ms

MX

39ms

AAAA

60ms

TXT

272ms

CAA

46ms

HTTPS

65ms

TLSA

177ms

SOA

0ms

MTA-STS

54ms

DNSSEC

80ms

SRV

227ms

Total

873ms

🕐 Scan History

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