biosym.dk

📜 Historical scan 2026-09-16 00:33:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biosym.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.237.16.17 is hosted by UpCloud Ltd (AS202053) in Finland. Mail is handled by biosym-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#

3 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.digitalocean.com	172.64.52.210 2606:4700:52::ac40:34d2	ns1.digitalocean.com ns1.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.digitalocean.com	172.64.53.21 2606:4700:5a::ac40:3515	ns2.digitalocean.com ns2.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.digitalocean.com	172.64.49.209 2606:4700:52::ac40:31d1	ns3.digitalocean.com ns3.digitalocean.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.237.16.17	1247s	94-237-16-17.fi-hel2.upcloud.host	AS202053	UpCloud Ltd	94.237.0.0/18	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	2457s	biosym-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca21::c 2a01:111:f403:ca38::a 52.101.181.153 52.101.68.36 52.101.68.8 52.101.91.156	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-maspr04cu00104.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 114ms

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

📝 TXT Records#

3 records 361ms

TXT Record
google-site-verification=MtuRpaxXfpCWjf3fc9L_BbNicipY9_rEM-kXzM83fKA
MS=ms73900836
v=spf1 include:spf.protection.outlook.com include:spf.mentor-it.dk a:smtp10.zitcom.dk -all

✉️ SPF#

Policy	Record (biosym.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mentor-it.dk a:smtp10.zitcom.dk -all

📨 DMARC#

Policy	Record (_dmarc.biosym.dk)
p=quarantine	v=DMARC1; p=quarantine sp=reject; pct=100; adkim=r; aspf=r

📬 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 09:50:39

www CNAME	biosym.dk (all on biosym.dk) → 94.237.16.17 (AS202053)
www vs bare domain	Same network biosym.dk: 94.237.16.17 (AS202053) www.biosym.dk: 94.237.16.17 (AS202053)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-biosym-dk._domainkey.biosym.onmicrosoft.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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms

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	0
Primary NS (MNAME)	ns1.digitalocean.com
Responsible (RNAME)	hostmaster@biosym.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

56ms

39ms

64ms

AAAA

145ms

TXT

361ms

CAA

64ms

HTTPS

63ms

TLSA

369ms

SOA

0ms

MTA-STS

102ms

DNSSEC

91ms

SRV

114ms

Total

1138ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:50:39	1164ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 02:43:49	1250ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 21:04:02	9693ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-16 00:33:08 shown	1138ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 00:40:53	1076ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 14:38:36	847ms	3 NS 1 A 1 MX	🔓 Insecure