rtdb.dk

Records from scan: 2026-09-30 09:21:01 · 599ms total · last checked 2026-10-18 03:14 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtdb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.97 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.97	600s	vm1260.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b	lo-in-f27.1e100.net lq-in-f27.1e100.net lq-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	rtdb.dk → 185.21.40.97
🔶 Autoconfig	rtdb.dk → 185.21.40.97

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 151ms

TXT Record
google-site-verification=5uEoqzpQ5Z8aPi0weX4O55MmiGEiHhlCivNfEHh8LfU

✉️ 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 2026-10-09 16:17:57

www CNAME	rtdb.dk (all on rtdb.dk) → 185.21.40.97 (AS48854)
www vs bare domain	Same network rtdb.dk: 185.21.40.97 (AS48854) www.rtdb.dk: 185.21.40.97 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rtdb.dk	rtdb.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

38ms

52ms

AAAA

39ms

TXT

151ms

CAA

39ms

HTTPS

35ms

TLSA

88ms

SOA

0ms

MTA-STS

45ms

DNSSEC

65ms

SRV

64ms

Total

599ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:21:01 shown	599ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-25 05:19:01	844ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-21 19:56:06	1235ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-28 03:04:31	1044ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-25 09:26:31	2374ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-26 22:14:18	7027ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-25 21:44:54	33008ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-19 10:59:13	5218ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-26 02:01:59	808ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 03:54:36	2476ms	2 NS 1 A 5 MX	🔒 Secure