redyellow.dk

📜 Historical scan 2026-06-18 00:10:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

redyellow.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 May 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.redyellow.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#

2 records 175ms

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 171ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.55.190	—	—	AS200477	—	—	—	—

📧 MX Records#

1 records 145ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.redyellow.dk	77.235.55.190	—	AS200477 Euclid Services Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	redyellow.dk → 77.235.55.190
🔶 Autoconfig	redyellow.dk → 77.235.55.190

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 257ms

TXT Record
v=spf1 +a +mx include:spf.mandrillapp.com -all

✉️ SPF#

Policy	Record (redyellow.dk)
-all (hard fail)	v=spf1 +a +mx include:spf.mandrillapp.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 2026-10-07 21:38:25

www CNAME	redyellow.dk (all on redyellow.dk) → 77.235.55.190 (AS200477)
www vs bare domain	Same network redyellow.dk: 77.235.55.190 (AS200477) www.redyellow.dk: 77.235.55.190 (AS200477)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

216ms

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

🏷️ SOA#

140ms

Field	Value
Serial	2026030601
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 2026-10-02 21:19:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-05-18
Expires	2027-05-31 (218d)

📋 WHOIS#

⏱️ Lookup Timing#

175ms

171ms

145ms

AAAA

162ms

TXT

257ms

CAA

153ms

HTTPS

151ms

TLSA

1008ms

SOA

140ms

MTA-STS

149ms

DNSSEC

216ms

SRV

168ms

Total

1656ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:38:25	1370ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 20:44:11	854ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 20:43:28	1219ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:28:49	574ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 12:57:28	1666ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:43:04	9859ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 02:43:41	1108ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:10:54 shown	1656ms	2 NS 1 A 1 MX	🔒 Secure