rndk.dk

📜 Historical scan 2026-06-20 07:48:28 · ← 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 133ms

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 141ms

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 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lr-in-f27.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.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
5	43200s	alt2.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	43200s	aspmx2.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	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 270ms

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#

2111ms

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

🏷️ SOA#

2094ms

Field	Value
Serial	2025042202
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#

133ms

141ms

122ms

AAAA

2054ms

TXT

270ms

CAA

2045ms

HTTPS

136ms

TLSA

2075ms

SOA

2094ms

MTA-STS

69ms

DNSSEC

2111ms

SRV

377ms

Total

4693ms

🕐 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	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 shown	4693ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-17 23:30:03	1094ms	4 NS 1 A 5 MX	🔒 Secure