factorial.dk

📜 Historical scan 2026-07-02 11:22:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

factorial.dk is a .dk domain served by 4 nameservers (ns-1446.awsdns-52.org, ns-1662.awsdns-15.co.uk, ns-339.awsdns-42.com and 1 more). It was registered on 20 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.127.161.171 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by .. The zone is not DNSSEC-signed, publishes a 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1446.awsdns-52.org	205.251.197.166 2600:9000:5305:a600::1	ns-1446.awsdns-52.org ns-1446.awsdns-52.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1662.awsdns-15.co.uk	205.251.198.126 2600:9000:5306:7e00::1	ns-1662.awsdns-15.co.uk ns-1662.awsdns-15.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-339.awsdns-42.com	205.251.193.83 2600:9000:5301:5300::1	ns-339.awsdns-42.com ns-339.awsdns-42.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-940.awsdns-53.net	205.251.195.172 2600:9000:5303:ac00::1	ns-940.awsdns-53.net ns-940.awsdns-53.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

3 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.127.161.171	60s	ec2-3-127-161-171.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main
52.57.147.19	60s	ec2-52-57-147-19.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.56.0.0/14	🇩🇪 Germany	Frankfurt am Main
63.182.186.245	60s	ec2-63-182-186-245.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 231ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (factorial.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.factorial.dk)
p=reject	v=DMARC1; p=reject; sp=reject

📬 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 2026-10-15 22:39:09

www	NXDOMAIN
www vs bare domain	www does not resolve factorial.dk: 18.194.3.175 3.125.229.237 63.189.95.119 (AS16509) www.factorial.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

53ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1446.awsdns-52.org
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-22 18:19:20

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2019-03-20
Expires	2027-03-31 (158d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

55ms

61ms

AAAA

59ms

TXT

231ms

CAA

32ms

HTTPS

57ms

TLSA

168ms

SOA

53ms

MTA-STS

79ms

DNSSEC

76ms

SRV

84ms

Total

3475ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:17:51	3086ms	4 NS 3 A 1 MX	🔓 Insecure
2026-07-02 11:22:52 shown	3475ms	4 NS 3 A 1 MX	🔓 Insecure
2026-06-21 18:47:12	1822ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-20 22:47:12	1082ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:11:03	1068ms	4 NS 3 A 0 MX	🔓 Insecure