fccentralen.dk

📜 Historical scan 2026-06-20 01:37:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fccentralen.dk is a .dk domain served by 4 nameservers (ns-1141.awsdns-14.org, ns-1754.awsdns-27.co.uk, ns-34.awsdns-04.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.37 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx.simply.com. 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 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1141.awsdns-14.org	205.251.196.117 2600:9000:5304:7500::1	ns-1141.awsdns-14.org ns-1141.awsdns-14.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1754.awsdns-27.co.uk	205.251.198.218 2600:9000:5306:da00::1	ns-1754.awsdns-27.co.uk ns-1754.awsdns-27.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-34.awsdns-04.com	205.251.192.34 2600:9000:5300:2200::1	ns-34.awsdns-04.com ns-34.awsdns-04.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-626.awsdns-14.net	205.251.194.114 2600:9000:5302:7200::1	ns-626.awsdns-14.net ns-626.awsdns-14.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.37	60s	server-3-174-18-37.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.53	60s	server-3-174-18-53.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.84	60s	server-3-174-18-84.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.9	60s	server-3-174-18-9.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 98ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 236ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 247ms

TXT Record
v=spf1 include:spf.simply.com include:amazonses.com ~all

✉️ SPF#

Policy	Record (fccentralen.dk)
~all (soft fail)	v=spf1 include:spf.simply.com include:amazonses.com ~all

📨 DMARC#

Policy	Record (_dmarc.fccentralen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-11 16:32:46

www CNAME	d93mbn3bbyvz4.cloudfront.net (all on cloudfront.net) → 3.174.18.37 3.174.18.53 3.174.18.84 3.174.18.9 2600:9000:28e5:200:1a:17ef:5800:93a1 2600:9000:28e5:5000:1a:17ef:5800:93a1 2600:9000:28e5:5e00:1a:17ef:5800:93a1 2600:9000:28e5:6c00:1a:17ef:5800:93a1 (AS16509)
www vs bare domain	Same network fccentralen.dk: 3.174.18.37 3.174.18.53 3.174.18.84 3.174.18.9 (AS16509) www.fccentralen.dk: 3.174.18.37 3.174.18.53 3.174.18.84 3.174.18.9 (AS16509)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	dkim.simply.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

2 records 283ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

216ms

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

🏷️ SOA#

60ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-34.awsdns-04.com
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#

72ms

74ms

98ms

AAAA

91ms

TXT

247ms

CAA

62ms

HTTPS

69ms

TLSA

283ms

SOA

60ms

MTA-STS

83ms

DNSSEC

216ms

SRV

236ms

Total

1431ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-29 11:16:16	4486ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-23 22:27:40	1132ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 23:54:41	1466ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-20 01:37:23 shown	1431ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-17 09:50:14	2177ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-17 09:35:32	740ms	4 NS 4 A 1 MX	🔓 Insecure