redyellow.dk

📜 Historical scan 2026-09-30 20:28:49 · ← 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. Its website address 77.235.55.190 is hosted by Euclid Services Limited (AS200477) in Cyprus. 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 27ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.55.190	43200s	—	AS200477	Euclid Services Limited	77.235.55.0/24	🇨🇾 Cyprus	—

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	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 143ms

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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.redyellow.dk	redyellow.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2026090201
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#

27ms

32ms

AAAA

27ms

TXT

143ms

CAA

28ms

HTTPS

106ms

TLSA

172ms

SOA

46ms

MTA-STS

37ms

DNSSEC

53ms

SRV

47ms

Total

574ms

🕐 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 shown	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	1656ms	2 NS 1 A 1 MX	🔒 Secure