dassco.dk

📜 Historical scan 2026-08-21 01:28:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dassco.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 16 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.43.5 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by ku-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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ku.dk	192.38.110.174 2001:878:1070:10::174	ns1.ku.dk ns1.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.ku.dk	192.38.110.190 2001:878:1070:11::190	ns2.ku.dk ns2.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.225.43.5	2433s	prodstatic-vh.gbif.org	AS1835	IDDQD-AS	130.225.0.0/16	🇩🇰 Denmark	Aarhus

📧 MX Records#

1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ku-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 52.101.68.0 52.101.68.27 52.101.68.8 52.101.73.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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	130.226.237.53

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 1594ms

TXT Record
MS=ms76097863
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dassco.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dassco.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; pct=100; fo=1; ri=3600

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 60ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 16:55:19

www CNAME	dassco.dk (all on dassco.dk) → 130.225.43.5 (AS1835)
www vs bare domain	Same network dassco.dk: 130.225.43.5 (AS1835) www.dassco.dk: 130.225.43.5 (AS1835)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	default._domainkey.ku.dk	RSA · ~1024 bit below 2048 bit
selector1	selector1-dassco-dk._domainkey.alumni.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-dassco-dk._domainkey.alumni.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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	2026082001
Primary NS (MNAME)	ns1.ku.dk
Responsible (RNAME)	hostmaster@adm.ku.dk
Refresh	28800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 06:07:37

Field	Value
Registrar	CURANET A/S
Registered	2021-02-16
Expires	2027-02-28 (133d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

55ms

53ms

AAAA

73ms

TXT

1594ms

CAA

60ms

HTTPS

43ms

TLSA

510ms

SOA

0ms

MTA-STS

306ms

DNSSEC

105ms

SRV

1539ms

Total

3129ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 16:55:19	1572ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-11 09:14:19	2612ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 06:04:50	3357ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 03:31:07	3069ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-25 01:43:53	1587ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-17 00:40:24	3360ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-14 13:53:00	1600ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-07 09:53:13	3263ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 12:06:34	1849ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 19:57:47	9927ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 12:12:41	1625ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-21 01:28:45 shown	3129ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 08:38:44	2571ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-15 00:06:03	9457ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 23:31:09	2026ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 16:53:08	17082ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 06:06:36	1260ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-23 03:01:28	9573ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-18 01:55:04	5457ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-09 02:22:54	1826ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-04 22:20:47	2793ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 09:51:44	2708ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 05:44:44	851ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 16:37:05	827ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 03:04:20	64795ms	2 NS 1 A 1 MX	🔓 Insecure