birkeroed-kollegiet.dk DNS records

🖥️ Nameservers2 records 31ms

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 Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.52.104.208	600s	0x573468d0.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx.zohomail.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx7.zoho.com mx6.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.com mx.zoho.com mx3.zoho.com mx2.zoho.com mx8.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
20	43200s	mx2.zohomail.com	204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44	mx.zoho.com mx.zohomail.com mx2.zohomail.com mx3.zohomail.com mx6.zoho.com mx7.zoho.com mx8.zoho.com mx2.zoho.com mx3.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	birkeroed-kollegiet.dk → 87.52.104.208
🔶 Autoconfig	birkeroed-kollegiet.dk → 87.52.104.208

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 95ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	2	5061	federation.messenger.msn.com

📝 TXT Records2 records 154ms

TXT Record
v=spf1 include:hotmail.com ~all
zoho-verification=zmverify.zoho.com

✉️ SPF

Policy	Record (birkeroed-kollegiet.dk)
~all (soft fail)	v=spf1 include:hotmail.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.birkeroed-kollegiet.dk	birkeroed-kollegiet.dk

🔗 TLSA / DANE

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

🔐 DNSSEC145ms

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

🏷️ SOA76ms

Field	Value
Serial	2026032402
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

31ms

MX

99ms

AAAA

50ms

TXT

154ms

CAA

59ms

HTTPS

61ms

TLSA

338ms

SOA

76ms

MTA-STS

73ms

DNSSEC

145ms

SRV

95ms

Total

1047ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 00:20:49	1047ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-28 13:33:50	4161ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 19:34:46	6133ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 00:38:51	748ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 14:41:07	1072ms	2 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-16 14:40:11	767ms	2 NS 1 A 2 MX	🔒 Secure	View