uonline.dk

📜 Historical scan 2026-06-25 07:46:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

uonline.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

3 records 81ms

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#

🌍

No A records found

📧 MX Records#

5 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4025:c01::1b 74.125.131.27	rd-in-f27.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4003:c26::1a	lcbomp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4008:c01::1a	so-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	173.194.43.26 2607:f8b0:400e:c1e::1b	yudlsqd-in-f26.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC 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 188ms

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

✉️ SPF#

Policy	Record (uonline.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -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 2026-10-13 13:17:02

www	NXDOMAIN
www vs bare domain	Neither resolves uonline.dk: no address www.uonline.dk: no address
Wildcard	No
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

🔎 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#

73ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

42ms

Field	Value
Serial	2024032500
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 2026-10-07 22:15:44

Field	Value
Registrar	Simply.com A/S
Registered	2023-10-11
Expires	2027-10-10 (355d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

49ms

89ms

AAAA

32ms

TXT

188ms

CAA

42ms

HTTPS

44ms

TLSA

51ms

SOA

42ms

MTA-STS

50ms

DNSSEC

73ms

SRV

99ms

Total

784ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:17:02	433ms	3 NS 0 A 5 MX	🔒 Secure
2026-10-08 02:06:38	490ms	3 NS 0 A 5 MX	🔒 Secure
2026-10-03 06:56:14	797ms	3 NS 0 A 5 MX	🔒 Secure
2026-08-27 14:37:34	710ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-25 07:46:20 shown	784ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-19 04:26:12	803ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-17 13:07:16	2601ms	3 NS 0 A 5 MX	🔒 Secure