risoe.dk

📜 Historical scan 2026-06-19 16:00:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

risoe.dk is a .dk domain served by 2 nameservers (ns-03.risoe.dk, ns-04.risoe.dk). It was registered on 14 October 1994 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.123.133 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by risoe-dk.mail.protection.outlook.com. 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 112ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-03.risoe.dk	130.226.56.67	—	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns-04.risoe.dk	130.226.56.68	—	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.123.133	3600s	dedi5059.your-server.de	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 115ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	risoe-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.12 52.101.73.16 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.dtu.dk → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 358ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.win.dtu.dk

📝 TXT Records#

6 records 1309ms

TXT Record
DigiCert dnsadmin@dtu.dk
HARICA-7f44duCgJ2LYFThuwV4
HARICA-eeviHGWyxUG5vVy872T
MS=ms26991452
v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk -all
W0e5JWdQLHjRhID9mTJbHiUMHtAa/0Lh5Hcpayp+xDhJMPSk3TK3vN4wK5f4wZFWcvcFrmLIwTkwndmcaTJY+A==

✉️ SPF#

Policy	Record (risoe.dk)
-all (hard fail)	v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk -all

📨 DMARC#

Policy	Record (_dmarc.risoe.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 2026-10-09 14:29:09

www	136.243.123.133 (AS24940) (address records, no CNAME)
www vs bare domain	Same network risoe.dk: 136.243.123.133 (AS24940) www.risoe.dk: 136.243.123.133 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 12/10 · policy: -all

error include:spf.peoplexs.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
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#

180ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

110ms

Field	Value
Serial	2026031301
Primary NS (MNAME)	ns1.risoe.dk
Responsible (RNAME)	postmaster@risoe.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-17 02:52:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1994-10-14
Expires	2026-12-31 (74d)

🔗 Same registrant#

3 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
chemsimul.dk	Punktum dk A/S (direct)
palsfit.dk	Punktum dk A/S (direct)
risø.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

112ms

115ms

AAAA

110ms

TXT

1309ms

CAA

114ms

HTTPS

104ms

TLSA

303ms

SOA

110ms

MTA-STS

84ms

DNSSEC

180ms

SRV

358ms

Total

2011ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:29:09	2087ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 23:35:20	1607ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 21:56:58	1800ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 15:50:37	1826ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 13:25:29	1352ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 04:24:37	3451ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 02:10:17	1483ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 19:15:50	1069ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-19 16:00:27 shown	2011ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:02:34	3076ms	2 NS 1 A 1 MX	🔓 Insecure