redpen.dk

📜 Historical scan 2026-08-20 06:02:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redpen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.141 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 68ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.141	3600s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 102ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.9.26 2a00:1450:4025:c03::1b	rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.30.215.141
🔶 Autoconfig	46.30.215.141

🔷 AAAA Records (IPv6)#

1 records 94ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:6c:62cc:2e23:8a65	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 408ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (redpen.dk)
~all (soft fail)	v=spf1 include:_custspf.one.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 2026-10-19 22:02:09

www	46.30.215.162 2a02:2350:5:106:8012:d59e:1854:2417 (AS51468) (address records, no CNAME)
www vs bare domain	Same network redpen.dk: 46.30.215.162 2a02:2350:5:106:8012:d59e:1854:2417 (AS51468) www.redpen.dk: 46.30.215.162 2a02:2350:5:106:8012:d59e:1854:2417 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

278ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026081902
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-05 22:55:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-07-15
Expires	2027-07-31 (280d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

61ms

102ms

AAAA

94ms

TXT

408ms

CAA

95ms

HTTPS

56ms

TLSA

131ms

SOA

0ms

MTA-STS

164ms

DNSSEC

278ms

SRV

137ms

Total

2872ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 22:02:09	1115ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-05 22:34:42	3140ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-12 11:57:33	2635ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-05 02:10:40	608ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 18:07:09	807ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-20 06:02:23 shown	2872ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-19 04:34:33	1428ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-11 12:17:29	5492ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-24 17:59:37	794ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-22 15:55:12	907ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-18 07:37:00	841ms	2 NS 1 A 5 MX	🔓 Insecure