rcz.dk

📜 Historical scan 2026-06-20 17:35:49 · ← Latest scan

⬇ 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, 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#

2 records 122ms

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 128ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
164.68.109.72	21600s	rcz.dk	AS51167	Contabo GmbH	164.68.96.0/19	🇫🇷 France	Lauterbourg

📧 MX Records#

5 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	21600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt1.aspmx.l.google.com	192.178.211.26 2a00:1450:4025:c01::1b	lcbomp-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.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#

✗ 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 2026-10-12 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#

306ms

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

🏷️ SOA#

105ms

Field	Value
Serial	2026032401
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#

122ms

128ms

97ms

AAAA

106ms

TXT

462ms

CAA

95ms

HTTPS

101ms

TLSA

174ms

SOA

105ms

MTA-STS

110ms

DNSSEC

306ms

SRV

125ms

Total

1441ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 01:59:34	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 shown	1441ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 14:35:00	2220ms	2 NS 1 A 5 MX	🔒 Secure