undernet.dk

📜 Historical scan 2026-07-28 13:49:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undernet.dk is a .dk domain served by 2 nameservers (ns1.webaway.dk, ns2.webaway.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.70.130 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mx.spamfilter.io, mail.undernet.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#

2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.webaway.dk	77.247.70.130	webaway.dk	AS31590 Rackhosting.com ApS
ns2.webaway.dk	77.247.70.131	—	AS31590 Rackhosting.com ApS

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.70.130	3600s	webaway.dk	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

2 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
20	3600s	mail.undernet.dk	77.247.70.130	webaway.dk	AS31590 Rackhosting.com ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	77.247.70.130
🔶 Autoconfig	77.247.70.130

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 180ms

TXT Record
v=spf1 a mx a:undernet.dk ip4:77.247.70.130 ?all

✉️ SPF#

Policy	Record (undernet.dk)
?all (neutral)	v=spf1 a mx a:undernet.dk ip4:77.247.70.130 ?all

📨 DMARC#

Policy	Record (_dmarc.undernet.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; ruf=mailto:postmaster@undernet.dk; rua=mailto:postmaster@undernet.dk

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 33ms

Flags	Tag	Value
0	issuewild	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 23:05:47

www	77.247.70.130 (AS31590) (address records, no CNAME)
www vs bare domain	Same network undernet.dk: 77.247.70.130 (AS31590) www.undernet.dk: 77.247.70.130 (AS31590)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

1 records 296ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

56ms

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	2026072801
Primary NS (MNAME)	ns1.webaway.dk
Responsible (RNAME)	hostmaster@webaway.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

23ms

34ms

33ms

AAAA

34ms

TXT

180ms

CAA

33ms

HTTPS

33ms

TLSA

296ms

SOA

0ms

MTA-STS

50ms

DNSSEC

56ms

SRV

42ms

Total

1541ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 20:11:54	1138ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 18:54:36	601ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-31 18:58:40	1180ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-28 13:49:29 shown	1541ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 12:56:57	4271ms	2 NS 1 A 2 MX	🔓 Insecure