upsec.dk

📜 Historical scan 2026-07-03 09:41:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

upsec.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 September 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.61.101.71 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by upsec.dk. The zone is DNSSEC-signed and validates, has no 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 116ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 218ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.61.101.71	43200s	0x573d6547.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.61.0.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 345ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	upsec.dk	87.61.101.71	0x573d6547.static.cust.fastspeed.dk	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	87.61.101.71
🔶 Autoconfig	87.61.101.71

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 362ms

TXT Record
v=spf1 ip4:79.142.224.25 mx a:smtp.bolignet.dk a:smtp1.bolignet.dk a:mail.bolignet.dk a:smtp.3.dk ip4:79.142.232.v=spf1 ip6:2a02:2190::/29 mx a:smtp1.bolignet.dk a:smtp2.bolignet.dk a:mail.bolignet.dk a:smtp.3.dk ip4:87.62.120.205 ip4:87.61.101.71 ip4:100.72.227.106 ptr:upsec.dk ~all66 ptr:upsec.dk +all

✉️ SPF#

Policy	Record (upsec.dk)
+all (no restriction)	v=spf1 ip4:79.142.224.25 mx a:smtp.bolignet.dk a:smtp1.bolignet.dk a:mail.bolignet.dk a:smtp.3.dk ip4:79.142.232.v=spf1 ip6:2a02:2190::/29 mx a:smtp1.bolignet.dk a:smtp2.bolignet.dk a:mail.bolignet.dk a:smtp.3.dk ip4:87.62.120.205 ip4:87.61.101.71 ip4:100.72.227.106 ptr:upsec.dk ~all66 ptr:upsec.dk +all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 03:43:04

www	80.248.139.139 (AS216275) (address records, no CNAME)
www vs bare domain	Same network upsec.dk: 80.248.139.139 (AS216275) www.upsec.dk: 80.248.139.139 (AS216275)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 12/10 · policy: +all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
error Unknown mechanism "~all66": receivers treat the record as a permanent error
warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
error "+all" (or a bare "all") authorises every server on the internet to send as this domain
error 12 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

335ms

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

🏷️ SOA#

81ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 04:12:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-09-02
Expires	2027-09-30 (340d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
cloudstar.dk	Punktum dk A/S (direct)
cybersecurity.dk	Punktum dk A/S (direct)
cybersikkerhed.dk	Punktum dk A/S (direct)
hackstar.dk	Punktum dk A/S (direct)
mailstar.dk	Punktum dk A/S (direct)
vistech.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

116ms

218ms

345ms

AAAA

255ms

TXT

362ms

CAA

119ms

HTTPS

169ms

TLSA

204ms

SOA

81ms

MTA-STS

242ms

DNSSEC

335ms

SRV

263ms

Total

1512ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 03:43:04	455ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:15:18	2564ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 13:29:58	2534ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 10:32:27	4008ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 20:43:19	703ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:02:23	1631ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 18:42:16	1180ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 18:24:20	704ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 07:47:19	8570ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 09:41:35 shown	1512ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 14:53:12	855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:45:43	926ms	2 NS 1 A 1 MX	🔒 Secure