rc1.dk

📜 Historical scan 2026-09-29 21:08:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rc1.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 10 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.93.70.213 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mail.rc1.dk. 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.93.70.213	3600s	mail.rc1.dk	AS16509	Amazon.com, Inc.	54.93.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.rc1.dk	54.93.70.213	mail.rc1.dk	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	54.93.70.213
🔶 Autoconfig	54.93.70.213

🔷 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 00:23:13

www	54.93.70.213 (AS16509) (address records, no CNAME)
www vs bare domain	Same network rc1.dk: 54.93.70.213 (AS16509) www.rc1.dk: 54.93.70.213 (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023053117
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration#

WHOIS fetched 2026-10-13 07:24:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-11-10
Expires	2027-02-28 (127d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
gren-holm.dk	Punktum dk A/S (direct)
grenogholm.dk	Punktum dk A/S (direct)
udslag.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

31ms

30ms

AAAA

32ms

TXT

164ms

CAA

26ms

HTTPS

31ms

TLSA

79ms

SOA

0ms

MTA-STS

46ms

DNSSEC

51ms

SRV

55ms

Total

432ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 22:40:40	441ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:34:17	573ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:08:35 shown	432ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-02 09:07:29	684ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 06:40:02	971ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 16:41:08	688ms	3 NS 1 A 1 MX	🔒 Secure