tandemcykling.dk

Records from scan: 2026-10-02 07:09:56 · 590ms total · last checked 2026-10-17 08:21 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tandemcykling.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.21.157.88 is hosted by Amazon.com, Inc. (AS14618) in United States. 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 31ms

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#

2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.21.157.88	3600s	ec2-23-21-157-88.compute-1.amazonaws.com	AS14618	Amazon.com, Inc.	23.20.0.0/14	🇺🇸 United States	Ashburn
23.21.234.173	3600s	ec2-23-21-234-173.compute-1.amazonaws.com	AS14618	Amazon.com, Inc.	23.20.0.0/14	🇺🇸 United States	Ashburn

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-15 06:29:12

www CNAME	tandemcykling.dk (all on tandemcykling.dk) → 23.21.157.88 23.21.234.173 (AS14618)
www vs bare domain	Same network tandemcykling.dk: 23.21.157.88 23.21.234.173 (AS14618) www.tandemcykling.dk: 23.21.157.88 23.21.234.173 (AS14618)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms

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

🏷️ SOA#

52ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

49ms

41ms

AAAA

32ms

TXT

100ms

CAA

38ms

HTTPS

45ms

TLSA

101ms

SOA

52ms

MTA-STS

61ms

DNSSEC

119ms

SRV

51ms

Total

590ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 07:09:56 shown	590ms	3 NS 2 A 0 MX	🔒 Secure
2026-10-01 07:04:56	572ms	3 NS 2 A 0 MX	🔒 Secure
2026-09-30 07:43:17	338ms	3 NS 2 A 0 MX	🔒 Secure
2026-08-28 06:32:30	584ms	3 NS 2 A 0 MX	🔒 Secure
2026-06-17 14:25:39	1230ms	3 NS 2 A 0 MX	🔒 Secure