rndk.dk

📜 Historical scan 2026-10-04 00:20:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rndk.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 11 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.118 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.118	3600s	linux237.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

5 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	86400s	aspmx.l.google.com	2a00:1450:4010:c1e::1b 74.125.131.27	lb-in-f27.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	86400s	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	86400s	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	86400s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	86400s	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	93.191.156.118
🔶 Autoconfig	93.191.156.118

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 163ms

TXT Record
v=spf1 include:spf.simply.com include:_spf.google.com ?all

✉️ SPF#

Policy	Record (rndk.dk)
?all (neutral)	v=spf1 include:spf.simply.com include:_spf.google.com ?all

📨 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 22:36:05

www	93.191.156.118 (AS48854) (address records, no CNAME)
www vs bare domain	Same network rndk.dk: 93.191.156.118 (AS48854) www.rndk.dk: 93.191.156.118 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026100100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 03:06:42

Field	Value
Registrar	Simply.com A/S
Registered	2015-05-11
Expires	2027-05-31 (223d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

24ms

38ms

AAAA

41ms

TXT

163ms

CAA

33ms

HTTPS

57ms

TLSA

88ms

SOA

29ms

MTA-STS

59ms

DNSSEC

60ms

SRV

78ms

Total

540ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:36:05	743ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-04 00:20:33 shown	540ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-02 02:45:20	461ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-01 02:29:44	480ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-25 07:07:43	642ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-20 07:48:28	4693ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 23:30:03	1094ms	4 NS 1 A 5 MX	🔒 Secure