dfs.dk DNS records

🖥️ Nameservers2 records 43ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.43.39	600s	static.39.43.181.135.clients.your-server.de	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dfs-dk.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca09::4 2a01:111:f403:ca09::a 2a01:111:f403:ca09::d 52.101.68.25 52.101.73.12 52.101.73.19 52.101.73.22	mail-am6pr02cu00300.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 99ms

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

📝 TXT Records5 records 204ms

TXT Record
apple-domain-verification=DrngS6z8GeglNDFa
facebook-domain-verification=hy9drfzriv1c9h8mvgx8a045m6xiy5
MS=ms86048315
Security code: MAR-545-MAR
v=spf1 ip4:152.115.161.22 include:servers.mcsv.net include:sendgrid.net mx ip4:83.89.194.178/30 ip4:62.242.105.106/30 ip4:87.48.131.160/27 ip4:62.242.206.184/29 ip4:86.58.187.100/30 ip4:86.58.157.128/26 ip4:81.19.244.0/26 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dfs.dk)
-all (hard fail)	v=spf1 ip4:152.115.161.22 include:servers.mcsv.net include:sendgrid.net mx ip4:83.89.194.178/30 ip4:62.242.105.106/30 ip4:87.48.131.160/27 ip4:62.242.206.184/29 ip4:86.58.187.100/30 ip4:86.58.157.128/26 ip4:81.19.244.0/26 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.dfs.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:dmarc@solidit.dk;ruf=mailto:dmarc@solidit.dk;ri=86400;aspf=r;adkim=r;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

🔗 TLSA / DANE

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

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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

43ms

A

64ms

MX

42ms

AAAA

43ms

TXT

204ms

CAA

39ms

HTTPS

64ms

TLSA

313ms

SOA

0ms

MTA-STS

163ms

DNSSEC

105ms

SRV

99ms

Total

1145ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 10:41:48	1145ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 08:38:30	926ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 21:42:19	5823ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 22:52:59	1142ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 02:36:19	785ms	2 NS 1 A 1 MX	🔒 Secure	View