jcfalk.dk

Records from scan: 2026-10-02 17:44:14 · 1357ms total

jcfalk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jcfalk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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

3 records 46ms

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

🌍 A Records

🌍

No A records found

📧 MX Records

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	jcfalk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca21::c 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.143 52.101.68.10 52.101.68.21 52.101.68.27	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.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

📝 TXT Records

2 records 104ms

TXT Record
MS=ms95490225
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (jcfalk.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

🧩 Web & zone

checked 2026-10-02 17:44:14

www	NXDOMAIN
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

🔎 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

125ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA

32ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

WHOIS fetched 2026-10-02 18:03:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-03-01
Expires	2027-03-31 (179d)

📋 WHOIS

⏱️ Lookup Timing

46ms

29ms

38ms

AAAA

26ms

TXT

104ms

CAA

27ms

HTTPS

39ms

TLSA

649ms

SOA

32ms

MTA-STS

63ms

DNSSEC

125ms

SRV

58ms

Total

1357ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:44:14 shown	1357ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-30 17:37:40	953ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-27 15:31:13	620ms	3 NS 0 A 1 MX	🔒 Secure
2026-08-26 22:17:07	942ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-09 22:17:07	25334ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-18 05:18:52	2651ms	3 NS 0 A 1 MX	🔒 Secure