tandem.dk

📜 Historical scan 2026-06-19 01:57:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tandem.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 94.231.103.118 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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 50ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.118	3600s	linux102.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.103.118
🔶 Autoconfig	94.231.103.118

🔷 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#

latest probe, not this scan · checked 2026-10-08 02:40:41

www	104.247.81.99 (AS206834) (address records, no CNAME)
www vs bare domain	Same network tandem.dk: 104.247.81.99 (AS206834) www.tandem.dk: 104.247.81.99 (AS206834)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026021700
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#

50ms

51ms

AAAA

50ms

TXT

184ms

CAA

45ms

HTTPS

78ms

TLSA

53ms

SOA

40ms

MTA-STS

37ms

DNSSEC

72ms

SRV

92ms

Total

544ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:44:44	1633ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 22:57:12	1622ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-29 07:35:58	9805ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-27 05:03:58	10346ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 05:16:12	1684ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-25 12:34:29	3374ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-18 03:08:54	2686ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-07 16:44:41	10497ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-24 05:29:04	4173ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-23 04:06:43	8778ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-22 00:41:52	689ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-21 00:22:10	728ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-19 20:38:57	695ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-18 17:56:01	772ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-17 16:18:14	2743ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-15 21:52:33	967ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-13 05:31:18	9741ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-12 00:12:08	728ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-10 05:26:47	639ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-09 05:10:53	727ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-07 03:39:34	876ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-05 17:16:40	9657ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-04 13:22:45	672ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-02 22:51:43	492ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-19 01:57:11 shown	544ms	3 NS 1 A 0 MX	🔒 Secure