digital-opsyn.dk

📜 Historical scan 2026-08-14 16:04:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

digital-opsyn.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.205.114.33 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mail.admin-securefirst.dk. The zone is DNSSEC-signed and validates, 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 387ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 163ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.205.114.33	3600s	—	AS8075	Microsoft Corporation	172.200.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 264ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.admin-securefirst.dk	159.69.242.34	mail.admin-securefirst.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.205.114.33
🔶 Autoconfig	172.205.114.33

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 609ms

TXT Record
v=spf1 mx a -all

✉️ SPF#

Policy	Record (digital-opsyn.dk)
-all (hard fail)	v=spf1 mx a -all

📨 DMARC#

Policy	Record (_dmarc.digital-opsyn.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-12 16:03:55

www	172.205.114.33 (AS8075) (address records, no CNAME)
www vs bare domain	Same network digital-opsyn.dk: 172.205.114.33 (AS8075) www.digital-opsyn.dk: 172.205.114.33 (AS8075)
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
dkim	—	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#

495ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026081300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

387ms

163ms

264ms

AAAA

319ms

TXT

609ms

CAA

364ms

HTTPS

184ms

TLSA

459ms

SOA

0ms

MTA-STS

364ms

DNSSEC

495ms

SRV

431ms

Total

4205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:03:55	619ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 12:02:28	781ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 08:30:36	683ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 08:12:35	383ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 13:03:28	524ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-14 16:04:31 shown	4205ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:55:21	2393ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 02:50:17	635ms	3 NS 1 A 1 MX	🔒 Secure