redpen.dk

Records from scan: 2026-10-19 22:02:09 · 1115ms total · last checked 2026-10-22 18:28 (unchanged)

⬇ 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 46.30.215.162 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 DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 138ms

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 135ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.162	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 211ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.179.20.27 2404:6800:4000:1027::1a	ncboms-in-f27.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 89ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8012:d59e:1854:2417	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 325ms

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#

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#

304ms

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

🏷️ SOA#

18ms

Field	Value
Serial	2026101805
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#

138ms

135ms

211ms

AAAA

89ms

TXT

325ms

CAA

85ms

HTTPS

131ms

TLSA

264ms

SOA

18ms

MTA-STS

106ms

DNSSEC

304ms

SRV

211ms

Total

1115ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 22:02:09 shown	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	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