rttc.dk

📜 Historical scan 2026-06-17 21:54:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rttc.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.143.218 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.rttc.dk. The zone is not DNSSEC-signed, publishes a 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#

4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicway.dk	2a01:4f8:1c1a:a1e7::1 91.98.140.195	— static.195.140.98.91.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.nordicway.dk	2a01:4f8:c012:4db6::1 49.13.80.249	— static.249.80.13.49.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.143.218	—	cp13.nordicway.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	mail.rttc.dk	142.132.143.218	cp13.nordicway.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 460ms

TXT Record
v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (rttc.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:142.132.143.218 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.rttc.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 2026-10-22 19:20:33

www CNAME	rttc.dk (all on rttc.dk) → 142.132.143.218 (AS24940)
www vs bare domain	Same network rttc.dk: 142.132.143.218 (AS24940) www.rttc.dk: 142.132.143.218 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

82ms

Field	Value
Serial	2026051001
Primary NS (MNAME)	ns1.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

49ms

105ms

84ms

AAAA

82ms

TXT

460ms

CAA

73ms

HTTPS

83ms

TLSA

142ms

SOA

82ms

MTA-STS

78ms

DNSSEC

113ms

SRV

179ms

Total

1063ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 19:20:33	713ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-29 16:54:48	776ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-27 18:58:24	724ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-13 21:47:01	1969ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-12 14:38:46	2717ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 03:33:38	1824ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:20:08	833ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 21:54:02 shown	1063ms	4 NS 1 A 1 MX	🔓 Insecure