byrsted.dk

📜 Historical scan 2026-09-29 23:45:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byrsted.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.104 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by byrsted-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#

4 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.104	3600s	linux225.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	byrsted-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca09::26 2a01:111:f403:ca21::10 52.101.103.36 52.101.181.153 52.101.73.155 52.101.91.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.56
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 103ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 129ms

TXT Record
MS=ms94598377
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (byrsted.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 04:33:59

www CNAME	byrsted.dk (all on byrsted.dk) → 178.20.216.40 (AS21060)
www vs bare domain	Same network byrsted.dk: 178.20.216.40 (AS21060) www.byrsted.dk: 178.20.216.40 (AS21060)
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#

67ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-25 04:54:04

Field	Value
Registrar	FIONIA IT ApS
Registered	2001-08-17
Expires	2028-09-30 (704d)

🔗 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
hgidart.dk	FIONIA IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

36ms

39ms

AAAA

32ms

TXT

129ms

CAA

35ms

HTTPS

42ms

TLSA

777ms

SOA

0ms

MTA-STS

44ms

DNSSEC

67ms

SRV

103ms

Total

1247ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 04:33:59	770ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-23 22:57:28	1345ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-16 16:31:34	1103ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-06 00:06:31	1124ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 23:52:43	863ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 23:45:40 shown	1247ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:37:57	1544ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 19:56:40	1589ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 14:41:31	1274ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:53:22	1012ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:25:14	803ms	4 NS 1 A 1 MX	🔒 Secure