tek-aerobic.dk

📜 Historical scan 2026-06-20 10:07:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tek-aerobic.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 June 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 but currently fails validation, has no DMARC policy and has no IPv6 address. 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 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 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 188ms

TXT Record
google-site-verification=a_TegxnaJIBzWJS2J2C_8RvujDyiKaAnto1661HeTcI

✉️ 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#

latest probe, not this scan · checked 2026-10-21 09:38:26

www CNAME	4ea2f378e18fd9bd.vercel-dns-017.com (all on vercel-dns-017.com) → 216.198.79.65 64.29.17.65 (AS16509)
www vs bare domain	Same network tek-aerobic.dk: 216.198.79.1 (AS16509) www.tek-aerobic.dk: 216.198.79.65 64.29.17.65 (AS16509)
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#

62ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: insecurity proof failed

🏷️ SOA#

67ms

Field	Value
Serial	2026061113
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 2026-10-04 03:40:30

Field	Value
Registrar	Simply.com A/S
Registered	2026-06-11
Expires	2027-06-10 (230d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

40ms

80ms

AAAA

43ms

TXT

188ms

CAA

31ms

HTTPS

78ms

TLSA

45ms

SOA

67ms

MTA-STS

42ms

DNSSEC

62ms

SRV

103ms

Total

505ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 09:38:26	835ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-13 13:40:10	1307ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 03:15:40	517ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 11:25:14	692ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-08 20:30:03	535ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-02 21:36:25	726ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-20 10:07:01 shown	505ms	3 NS 0 A 1 MX	⚠️ Bogus
2026-06-18 00:16:12	564ms	3 NS 0 A 1 MX	🔒 Secure