csed.dk

📜 Historical scan 2026-08-26 23:30:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

csed.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 August 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by csed-dk.mail.protection.outlook.com. 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#

2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	csed-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::2 2a01:111:f403:ca09::a 2a01:111:f403:ca09::f 52.101.68.18 52.101.68.27 52.101.68.29 52.101.73.1	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.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	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 170ms

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

✉️ SPF#

Policy	Record (csed.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-25 07:59:06

www	Exists, no address
www vs bare domain	Neither resolves csed.dk: no address www.csed.dk: no address
Wildcard	No

🔎 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#

88ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026082401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-21 14:01:18

Field	Value
Registrar	ONE.COM A/S
Registered	2022-08-15
Expires	2027-08-14 (292d)

🔗 Same registrant#

1 domain

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
talchow.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

51ms

52ms

47ms

AAAA

53ms

TXT

170ms

CAA

61ms

HTTPS

66ms

TLSA

374ms

SOA

0ms

MTA-STS

70ms

DNSSEC

88ms

SRV

63ms

Total

1002ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 07:59:05	385ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-24 02:29:03	452ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-22 21:02:40	781ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-21 13:50:49	326ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-20 09:59:58	825ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-19 09:13:57	798ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-18 08:51:28	400ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-17 08:22:21	367ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-16 07:54:52	1192ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-15 06:46:05	398ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-14 06:22:46	500ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-13 05:34:39	573ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-01 00:41:23	421ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-24 06:19:49	415ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-14 14:07:23	577ms	2 NS 0 A 0 MX	🔒 Secure
2026-09-07 11:26:09	1227ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:30:00 shown	1002ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 18:58:05	2730ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 12:03:36	3797ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 09:34:10	25138ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-09 19:39:16	5282ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 20:21:32	1146ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 09:26:34	746ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 18:14:04	934ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:12:53	1086ms	2 NS 1 A 1 MX	🔒 Secure