tek-aerobic.dk

Records from scan: 2026-10-13 13:40:10 · 1307ms total · last checked 2026-10-17 18:36 (unchanged)

⬇ 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. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. 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 182ms

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 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	600s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	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#

2 records 299ms

TXT Record
google-site-verification=a_TegxnaJIBzWJS2J2C_8RvujDyiKaAnto1661HeTcI
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (tek-aerobic.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.tek-aerobic.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rasmus@tek-aerobic.dk

📬 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 13:40:11

www CNAME	4ea2f378e18fd9bd.vercel-dns-017.com (all on vercel-dns-017.com) → 216.198.79.1 64.29.17.1 (AS16509)
www vs bare domain	Same network tek-aerobic.dk: 216.198.79.1 (AS16509) www.tek-aerobic.dk: 216.198.79.1 64.29.17.1 (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.

🔎 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#

278ms

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

🏷️ SOA#

81ms

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 2026-10-04 03:40:30

Field	Value
Registrar	Simply.com A/S
Registered	2026-06-11
Expires	2027-06-10 (235d)

📋 WHOIS#

⏱️ Lookup Timing#

182ms

118ms

121ms

AAAA

111ms

TXT

299ms

CAA

147ms

HTTPS

66ms

TLSA

287ms

SOA

81ms

MTA-STS

159ms

DNSSEC

278ms

SRV

175ms

Total

1307ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:40:10 shown	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	505ms	3 NS 0 A 1 MX	⚠️ Bogus
2026-06-18 00:16:12	564ms	3 NS 0 A 1 MX	🔒 Secure