dfs.dk

📜 Historical scan 2026-10-09 00:08:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dfs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.43.39 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by dfs-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 293ms

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 325ms

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 Records#

1 records 302ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dfs-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca48::c 2a01:111:f403:ca48::e 52.101.103.137 52.101.185.24 52.101.91.153 52.101.91.21	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 375ms

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

📝 TXT Records#

5 records 863ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 13:09:53

www CNAME	dfs.dk (all on dfs.dk) → 135.181.43.39 (AS24940)
www vs bare domain	Same network dfs.dk: 135.181.43.39 (AS24940) www.dfs.dk: 135.181.43.39 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-dfs-dk._domainkey.folkeoplysning.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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

642ms

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

🏷️ SOA#

197ms

Field	Value
Serial	2026100801
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 2026-10-09 00:13:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-11-27
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

293ms

325ms

302ms

AAAA

309ms

TXT

863ms

CAA

230ms

HTTPS

127ms

TLSA

1067ms

SOA

197ms

MTA-STS

371ms

DNSSEC

642ms

SRV

375ms

Total

3684ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 13:09:53	2422ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 05:08:12	1167ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 00:08:18 shown	3684ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 04:04:10	1808ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 10:41:48	1145ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 08:38:30	926ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 21:42:19	5823ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 22:52:59	1142ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 02:36:19	785ms	2 NS 1 A 1 MX	🔒 Secure