fosyd.dk

📜 Historical scan 2026-08-09 19:56:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fosyd.dk is a .dk domain served by 2 nameservers (aarav.ns.cloudflare.com, addilyn.ns.cloudflare.com). It was registered on 4 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.224.40 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by fosyd-dk.mail.protection.outlook.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#

2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
aarav.ns.cloudflare.com	108.162.195.60 162.159.44.60 172.64.35.60 2606:4700:58::a29f:2c3c 2803:f800:50::6ca2:c33c 2a06:98c1:50::ac40:233c	aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.105.224.40	300s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fosyd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca09::b 52.101.68.12 52.101.68.15 52.101.68.18 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 102ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 285ms

TXT Record
MS=ms71930498
v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (fosyd.dk)
-all (hard fail)	v=spf1 ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.fosyd.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@solidit.dk;

📬 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 01:12:43

www	104.21.93.219 172.67.215.82 2606:4700:3031::6815:5ddb 2606:4700:3037::ac43:d752 (AS13335) (address records, no CNAME)
www vs bare domain	Different networks fosyd.dk: 20.105.224.40 (AS8075) www.fosyd.dk: 104.21.93.219 172.67.215.82 2606:4700:3031::6815:5ddb 2606:4700:3037::ac43:d752 (AS13335) (all like this)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-fosyd-dk._domainkey.fosyd.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-fosyd-dk._domainkey.fosyd.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms

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	2411652112
Primary NS (MNAME)	aarav.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 21:07:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-08-04
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

71ms

66ms

AAAA

47ms

TXT

285ms

CAA

78ms

HTTPS

53ms

TLSA

699ms

SOA

0ms

MTA-STS

92ms

DNSSEC

118ms

SRV

102ms

Total

2114ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 01:12:43	1422ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-06 20:42:20	6091ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 15:28:58	1885ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-22 09:49:24	2285ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-09 19:56:49 shown	2114ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 09:25:23	2106ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 18:55:34	1161ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 21:06:20	968ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 15:12:35	1252ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:34:36	9758ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:32:07	1097ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:27:33	945ms	2 NS 1 A 1 MX	🔓 Insecure