difo.dk

📜 Historical scan 2026-08-16 14:59:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

difo.dk is a .dk domain served by 3 nameservers (auth01.ns.dk-hostmaster.dk, auth02.ns.dk-hostmaster.dk, auth03.ns.dk-hostmaster.dk). It was registered on 13 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.208.36.98 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by difo-dk.w-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

3 records 176ms

Nameserver	IP addresses	PTR	ASN / ISP
auth01.ns.dk-hostmaster.dk	193.163.102.11 2a01:630:0:40::11	auth01.ns.dk-hostmaster.dk auth01.ns.dk-hostmaster.dk	AS39839 Punktum dk A/S AS39839 Punktum dk A/S
auth02.ns.dk-hostmaster.dk	193.163.102.24 2a01:630:0:40::24	auth02.ns.dk-hostmaster.dk auth02.ns.dk-hostmaster.dk	AS39839 Punktum dk A/S AS39839 Punktum dk A/S
auth03.ns.dk-hostmaster.dk	130.226.213.139 2001:878:0:e000:82:e2:d5:8b	auth03.ns.dk-hostmaster.dk auth03.ns.dk-hostmaster.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 254ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.208.36.98	300s	188.208.36.98.static.hosted.by.combell-ops.net	AS34762	Combell NV	188.208.36.0/23	🇧🇪 Belgium	—

📧 MX Records#

1 records 266ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	difo-dk.w-v1.mx.microsoft	2a01:111:f403:ca04::9 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 52.101.73.15 52.101.73.153 52.101.73.2 52.101.73.4	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

1 records 279ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:1c98:1000:1262:0:3:62bd:b96e	300s	—	AS34762	Combell NV	2a00:1c98:0:0:0:0:0:0/32	🇧🇪 Belgium	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 460ms

TXT Record
@=5f5d80474d6558e3deb585afa9261ae8
google-site-verification=8Yg1TcBH-J-9nguqOlM03sfrCOo3MLknwojzqt9xkLY
v=spf1 include:mailgun.org include:_spf.dk-hostmaster.dk -all
www=060427291c5a5f1002fb008eae5496d9

✉️ SPF#

Policy	Record (difo.dk)
-all (hard fail)	v=spf1 include:mailgun.org include:_spf.dk-hostmaster.dk -all

📨 DMARC#

Policy	Record (_dmarc.difo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:bvntwxul@ag.dmarcian-eu.com; ruf=mailto:bvntwxul@fr.dmarcian-eu.com

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

4 records 291ms

Flags	Tag	Value
0	iodef	mailto:abuse@punktum.dk
0	issue	letsencrypt.org
0	issue	sectigo.com
0	issuewild	;

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 16:58:21

www	188.208.36.98 2a00:1c98:1000:1262:0:3:62bd:b96e (AS34762) (address records, no CNAME)
www vs bare domain	Same network difo.dk: 188.208.36.98 2a00:1c98:1000:1262:0:3:62bd:b96e (AS34762) www.difo.dk: 188.208.36.98 2a00:1c98:1000:1262:0:3:62bd:b96e (AS34762)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

10 records 830ms

Service / Owner	Type	Cert association
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.difo-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…

🔐 DNSSEC#

393ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081500
Primary NS (MNAME)	auth01.ns.dk-hostmaster.dk
Responsible (RNAME)	tech@punktum.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-05 02:22:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-04-13
Expires	2027-06-30 (256d)

📋 WHOIS#

⏱️ Lookup Timing#

176ms

254ms

266ms

AAAA

279ms

TXT

460ms

CAA

291ms

HTTPS

277ms

TLSA

830ms

SOA

0ms

MTA-STS

296ms

DNSSEC

393ms

SRV

321ms

Total

6397ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:58:21	1140ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-11 13:20:29	919ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-06 01:54:36	2252ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-05 01:47:32	2969ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 01:03:37	759ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:31:57	1429ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-28 19:12:37	919ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 18:58:30	845ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 05:51:41	1043ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-21 14:00:13	2090ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-16 12:47:39	3137ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-07 00:10:26	2085ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-29 21:58:58	2345ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-28 20:50:37	2271ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-24 19:12:33	2310ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-23 06:04:42	1445ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-18 00:05:11	3537ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-16 14:59:36 shown	6397ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-11 16:25:27	2247ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-07 19:12:04	1668ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-29 23:27:30	1364ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-24 02:17:16	2069ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-23 02:15:20	1520ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-18 14:00:42	1209ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-17 12:31:12	1646ms	3 NS 1 A 1 MX	🔒 Secure