factorial.dk

Records from scan: 2026-10-01 00:17:51 · 3086ms total · last checked 2026-10-18 23:50 (unchanged)

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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 already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.159.183.78 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 82ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.159.183.78	60s	ec2-18-159-183-78.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	18.156.0.0/14	🇩🇪 Germany	Frankfurt am Main
3.69.96.116	60s	ec2-3-69-96-116.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.64.0.0/12	🇩🇪 Germany	Frankfurt am Main
63.182.198.161	60s	ec2-63-182-198-161.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 50ms

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 229ms

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#

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#

111ms

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

🏷️ SOA#

66ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

82ms

50ms

AAAA

50ms

TXT

229ms

CAA

68ms

HTTPS

78ms

TLSA

177ms

SOA

66ms

MTA-STS

112ms

DNSSEC

111ms

SRV

82ms

Total

3086ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 00:17:51 shown	3086ms	4 NS 3 A 1 MX	🔓 Insecure
2026-07-02 11:22:52	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