rcz.dk

Records from scan: 2026-10-06 01:59:34 · 545ms total · last checked 2026-10-19 22:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rcz.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 164.68.109.72 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

2 records 37ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
164.68.109.72	43200s	rcz.dk	AS51167	Contabo GmbH	164.68.96.0/19	🇫🇷 France	Lauterbourg

📧 MX Records#

5 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	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#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.rcz.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-12 17:23:40

www	164.68.109.72 (AS51167) (address records, no CNAME)
www vs bare domain	Same network rcz.dk: 164.68.109.72 (AS51167) www.rcz.dk: 164.68.109.72 (AS51167)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

22ms

Field	Value
Serial	2026100501
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#

37ms

35ms

30ms

AAAA

45ms

TXT

190ms

CAA

40ms

HTTPS

27ms

TLSA

113ms

SOA

22ms

MTA-STS

49ms

DNSSEC

53ms

SRV

49ms

Total

545ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 01:59:34 shown	545ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-02 01:24:54	603ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 01:06:47	1063ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-30 01:00:14	593ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-23 17:17:36	6737ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-11 07:21:21	811ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-31 10:59:40	2072ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-16 01:13:01	1598ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 17:35:49	1441ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 14:35:00	2220ms	2 NS 1 A 5 MX	🔒 Secure