cffs.dk

Records from scan: 2026-10-12 18:40:27 · 850ms total · last checked 2026-10-22 18:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cffs.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cffs-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cffs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::22 2a01:111:f403:ca21::a 2a01:111:f403:ca3c::8 52.101.209.31 52.101.68.10 52.101.68.12 52.101.91.162	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00302.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

📝 TXT Records#

2 records 122ms

TXT Record
protonmail-verification=b8e05e273e88a72689a98792b0d92ec527d7e0aa
v=spf1 include:spf.protection.outlook.com ip4:20.61.125.223 -all

✉️ SPF#

Policy	Record (cffs.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:20.61.125.223 -all

📨 DMARC#

Policy	Record (_dmarc.cffs.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com; ruf=mailto:kw4mtjma@fr.eu.dmarcian.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

🧩 Web & zone#

checked 2026-10-12 18:40:27

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cffs.dk: 94.231.103.100 (AS48854) www.cffs.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-cffs-dk._domainkey.toppartners.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-cffs-dk._domainkey.toppartners.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

39ms

33ms

AAAA

33ms

TXT

122ms

CAA

37ms

HTTPS

42ms

TLSA

499ms

SOA

30ms

MTA-STS

44ms

DNSSEC

68ms

SRV

48ms

Total

850ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:40:27 shown	850ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:58:37	909ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 13:12:02	1046ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:04:02	1082ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 20:15:09	1059ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 13:27:46	1084ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-01 14:48:06	847ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 13:45:50	1197ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:27:43	1147ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:43	674ms	4 NS 1 A 1 MX	🔒 Secure