sensburg-holdings.dk

Records from scan: 2026-10-13 01:15:59 · 472ms total · last checked 2026-10-20 08:23 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sensburg-holdings.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp.google.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 35ms

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
1	3600s	smtp.google.com	108.177.14.26 108.177.14.27 209.85.233.26 209.85.233.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.27	lt-in-f26.1e100.net lt-in-f27.1e100.net lr-in-f26.1e100.net lr-in-f27.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net lr-in-x1b.1e100.net lr-in-f27.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net lu-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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 126ms

TXT Record
google-site-verification=4kOCnlR6uc7ffT-VDZeDpukhYPHAT5sA4jhuDutJUgQ

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-13 01:15:59

www	NXDOMAIN
www vs bare domain	Neither resolves sensburg-holdings.dk: no address www.sensburg-holdings.dk: no address
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#

1 found

Selector	CNAME	Key
google	—	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

42ms

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#

WHOIS fetched 2026-10-03 12:37:41

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-13
Expires	2027-03-12 (142d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

38ms

AAAA

41ms

TXT

126ms

CAA

39ms

HTTPS

59ms

TLSA

99ms

SOA

42ms

MTA-STS

44ms

DNSSEC

76ms

SRV

59ms

Total

472ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:15:59 shown	472ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-03 12:17:44	377ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-02 12:16:21	1345ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-30 11:45:50	404ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-14 11:31:59	794ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-09 14:14:23	582ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-27 17:51:33	1925ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-21 10:47:06	551ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-17 15:08:50	1070ms	3 NS 0 A 1 MX	❓ Unknown