falkon.dk DNS records

🖥️ Nameservers2 records 52ms

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
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	falkon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca48::8 52.101.103.39 52.101.68.16 52.101.68.32 52.101.73.19	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.40
🔶 Autoconfig	35.204.11.13

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 273ms

TXT Record
ca3-51e71956697a4a1a8a12692754d3c897
v=spf1 ip4:2.109.78.98/32 ip4:162.159.135.42/32 ip4:212.27.8.237/32 include:spf.protection.outlook.com include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (falkon.dk)
~all (soft fail)	v=spf1 ip4:2.109.78.98/32 ip4:162.159.135.42/32 ip4:212.27.8.237/32 include:spf.protection.outlook.com include:relay.mailchannels.net ~all

📨 DMARC

Policy	Record (_dmarc.falkon.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:ccd519aef82f268@rep.dmarcanalyzer.com; ruf=mailto:ccd519aef82f268@for.dmarcanalyzer.com; fo=1

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.falkon.dk	falkon.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

55ms

MX

54ms

AAAA

66ms

TXT

273ms

CAA

66ms

HTTPS

43ms

TLSA

316ms

SOA

0ms

MTA-STS

66ms

DNSSEC

103ms

SRV

92ms

Total

1069ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 23:28:49	1069ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 21:52:01	953ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 01:02:45	2472ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 15:28:02	5797ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 08:01:47	5642ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 23:52:33	7483ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 01:28:09	8367ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 11:03:41	1328ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 19:58:44	1148ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:50:57	910ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:04:03	1282ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-19 17:59:13	6915ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:13:00	932ms	2 NS 1 A 1 MX	🔒 Secure	View