redyellow.dk

Records from scan: 2026-10-07 21:38:25  ·  1370ms total  ·  last checked 2026-10-23 09:18 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   46ms
NameserverIP addressesPTRASN / 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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.235.55.190 43200s — AS200477 Euclid Services Limited 77.235.55.0/24 🇨🇾 Cyprus —

📧 MX Records#

1 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.redyellow.dk 77.235.55.190 — AS200477 Euclid Services Limited

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverredyellow.dk → 77.235.55.190
🔶 Autoconfigredyellow.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   165ms
TXT Record
v=spf1 +a +mx include:spf.mandrillapp.com -all

✉️ SPF#

PolicyRecord (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#

checked 2026-10-07 21:38:25
www CNAMEredyellow.dk (all on redyellow.dk)
www vs bare domainSame network
redyellow.dk: 77.235.55.190 (AS200477)
www.redyellow.dk: 77.235.55.190 (AS200477)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.redyellow.dk redyellow.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

34ms
FieldValue
Serial2026100601
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-02 21:19:19
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2012-05-18
Expires2027-05-31 (218d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
46ms
A
36ms
MX
46ms
AAAA
48ms
TXT
165ms
CAA
58ms
HTTPS
50ms
TLSA
640ms
SOA
34ms
MTA-STS
66ms
DNSSEC
109ms
SRV
63ms
Total
1370ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 21:38:25 shown 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 1656ms 2 NS 1 A 1 MX 🔒 Secure
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