dlfa.dk DNS records

🖥️ Nameservers2 records 47ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	43200s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dlfa-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 52.101.68.25 52.101.73.126 52.101.73.2 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 68ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	autodiscover.dlfa.dk
_sipfederationtls._tcp	0	100	5061	sip.dlfa.dk

📝 TXT Records5 records 181ms

TXT Record
globalsign-domain-verification=Y1-L9SPBCKHtcsINIBxjbw5ys2ulef-9YHUCk_s01i
MS=ms40682768
MS=ms70426210
MS=ms71585760
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dlfa.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🔗 TLSA / DANE

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

🔐 DNSSEC128ms

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

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

45ms

MX

58ms

AAAA

53ms

TXT

181ms

CAA

69ms

HTTPS

60ms

TLSA

312ms

SOA

0ms

MTA-STS

81ms

DNSSEC

128ms

SRV

68ms

Total

1091ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:42:00	1091ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 06:04:01	5841ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 17:21:59	5571ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 02:25:28	3442ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 00:21:40	3118ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 08:05:19	1011ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 03:50:12	2345ms	2 NS 1 A 1 MX	🔒 Secure	View