underio.dk

📜 Historical scan 2026-09-29 16:29:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

underio.dk is a .dk domain served by 3 nameservers (ns1.nazwa.pl, ns2.nazwa.pl, ns3.nazwa.pl). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.128.128.104 is hosted by Nazwa.pl Sp.z.o.o. (AS15967) in Poland. Mail is handled by underio.dk. 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 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nazwa.pl	77.55.125.10	ns1.nazwa.pl	AS15967 Nazwa.pl Sp.z.o.o.
ns2.nazwa.pl	77.55.126.10	ns2.nazwa.pl	AS15967 Nazwa.pl Sp.z.o.o.
ns3.nazwa.pl	77.55.127.10	ns3.nazwa.pl	AS15967 Nazwa.pl Sp.z.o.o.

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.128.128.104	3600s	static-ajw104.rev.nazwa.pl	AS15967	Nazwa.pl Sp.z.o.o.	85.128.128.0/17	🇵🇱 Poland	—

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	underio.dk	85.128.128.104	static-ajw104.rev.nazwa.pl	AS15967 Nazwa.pl Sp.z.o.o.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	85.128.128.104
🔶 Autoconfig	85.128.128.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 440ms

TXT Record
v=spf1 mx a ~all

✉️ SPF#

Policy	Record (underio.dk)
~all (soft fail)	v=spf1 mx a ~all

📨 DMARC#

Policy	Record (_dmarc.underio.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#

4 records 60ms

Flags	Tag	Value
0	issue	certum.pl
0	issue	letsencrypt.org
0	issuewild	certum.pl
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 23:08:02

www	85.128.128.104 (AS15967) (address records, no CNAME)
www vs bare domain	Same network underio.dk: 85.128.128.104 (AS15967) www.underio.dk: 85.128.128.104 (AS15967)
Wildcard	Yes: any name under the zone resolves

🔎 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#

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	2008133200
Primary NS (MNAME)	ns1.nazwa.pl
Responsible (RNAME)	biuro@nazwa.pl
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

65ms

72ms

57ms

AAAA

63ms

TXT

440ms

CAA

60ms

HTTPS

75ms

TLSA

334ms

SOA

0ms

MTA-STS

136ms

DNSSEC

91ms

SRV

165ms

Total

2322ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 23:08:02	971ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 16:29:22 shown	2322ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 14:21:35	9892ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-16 02:48:22	6232ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-24 02:14:07	1684ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-23 00:15:53	1547ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 10:42:05	940ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 15:47:12	1658ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 03:07:07	1215ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:26:49	1498ms	0 NS 0 A 0 MX	❓ Unknown