yellow.dk

📜 Historical scan 2026-08-26 19:37:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yellow.dk is a .dk domain served by 4 nameservers (ns-1337.awsdns-39.org, ns-1851.awsdns-39.co.uk, ns-475.awsdns-59.com and 1 more). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by yellow-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

4 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1337.awsdns-39.org	205.251.197.57 2600:9000:5305:3900::1	ns-1337.awsdns-39.org ns-1337.awsdns-39.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1851.awsdns-39.co.uk	205.251.199.59 2600:9000:5307:3b00::1	ns-1851.awsdns-39.co.uk ns-1851.awsdns-39.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-475.awsdns-59.com	205.251.193.219 2600:9000:5301:db00::1	ns-475.awsdns-59.com ns-475.awsdns-59.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-592.awsdns-10.net	205.251.194.80 2600:9000:5302:5000::1	ns-592.awsdns-10.net ns-592.awsdns-10.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	60s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	yellow-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 52.101.68.25 52.101.73.1 52.101.73.12 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 241ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (yellow.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-09 12:06:45

www CNAME	yu-website.netlify.app (all on netlify.app) → 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
www vs bare domain	Same network yellow.dk: 75.2.60.5 (AS16509) www.yellow.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
Wildcard	No

🔎 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#

102ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1851.awsdns-39.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-07 22:41:07

Field	Value
Registrar	Simply.com A/S
Registered	1997-01-31
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

67ms

43ms

70ms

AAAA

42ms

TXT

241ms

CAA

51ms

HTTPS

55ms

TLSA

607ms

SOA

0ms

MTA-STS

73ms

DNSSEC

102ms

SRV

93ms

Total

4151ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:06:45	3774ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-30 08:41:47	3568ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-26 19:37:54 shown	4151ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 18:41:58	4111ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-24 23:35:55	5317ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 04:39:42	1167ms	4 NS 1 A 1 MX	🔓 Insecure