lfku.dk

Records from scan: 2026-10-07 21:52:49 · 512ms total · last checked 2026-10-17 09:02 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lfku.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.196 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.google.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#

3 records 48ms

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#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.196	3600s	linux306.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	173.194.220.26 173.194.220.27 173.194.221.27 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 64.233.163.26 64.233.163.27	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f27.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net lj-in-f26.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.196
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 67ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 140ms

TXT Record
google-site-verification=EfcmBoHNIlKY23Dnl3f0Tlsr61zXATbGKOi405poRtk
MS=ms61498319
v=spf1 include:servers.mcsv.net include:spf.simply.com include:_spf.google.com ~all include:spf.gecko.dk

✉️ SPF#

Policy	Record (lfku.dk)
~all (soft fail)	v=spf1 include:servers.mcsv.net include:spf.simply.com include:_spf.google.com ~all include:spf.gecko.dk

📨 DMARC#

Policy	Record (_dmarc.lfku.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarcmails@lfku.dk, mailto:dmarcmails@lfku.dk; pct=50; adkim=s; aspf=s

📬 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 2026-10-07 21:52:49

www	93.191.156.196 (AS48854) (address records, no CNAME)
www vs bare domain	Same network lfku.dk: 93.191.156.196 (AS48854) www.lfku.dk: 93.191.156.196 (AS48854)
Wildcard	Yes: any name under the zone resolves
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
google	—	RSA · ~2048 bit
k1	dkim.mcsv.net	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: 4/10 · 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#

24ms

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 2026-10-03 11:16:51

Field	Value
Registrar	Simply.com A/S
Registered	2007-02-01
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

26ms

47ms

AAAA

33ms

TXT

140ms

CAA

51ms

HTTPS

54ms

TLSA

93ms

SOA

24ms

MTA-STS

46ms

DNSSEC

68ms

SRV

67ms

Total

512ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:52:49 shown	512ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 10:38:06	526ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 09:39:54	541ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 21:34:22	780ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 16:40:08	652ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 20:17:08	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:41:09	911ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:17:47	882ms	3 NS 1 A 1 MX	🔒 Secure