fsio.dk

📜 Historical scan 2026-06-17 09:22:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fsio.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 21 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.157 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

3 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 A Records#

1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.157	—	linux141.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	172.253.130.26	yulppbn-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	142.250.147.26	rd-in-f26.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26	yunrtab-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 214ms

TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (fsio.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.fsio.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 2026-10-08 12:51:49

www	94.231.103.157 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fsio.dk: 94.231.103.157 (AS48854) www.fsio.dk: 94.231.103.157 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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#

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

🔐 DNSSEC#

233ms

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

🏷️ SOA#

63ms

Field	Value
Serial	2025110800
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 05:16:36

Field	Value
Registrar	Simply.com A/S
Registered	2023-03-21
Expires	2027-03-20 (143d)

📋 WHOIS#

⏱️ Lookup Timing#

76ms

73ms

81ms

AAAA

70ms

TXT

214ms

CAA

66ms

HTTPS

79ms

TLSA

185ms

SOA

63ms

MTA-STS

61ms

DNSSEC

233ms

SRV

0ms

Total

1503ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 05:10:37	634ms	3 NS 1 A 5 MX	🔓 Insecure
2026-10-01 05:02:58	591ms	3 NS 1 A 5 MX	🔓 Insecure
2026-09-24 06:24:00	632ms	3 NS 1 A 5 MX	🔓 Insecure
2026-07-02 00:27:31	862ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-17 09:22:02 shown	1503ms	3 NS 1 A 5 MX	🔓 Insecure