byens-skole.dk DNS records

🖥️ Nameservers3 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
mimer.deic.dk	2001:87f:ff27:65::66 95.128.27.66	mimer.deic.dk mimer.deic.dk	AS198455 Danmarks Tekniske Universitet AS198455 Danmarks Tekniske Universitet
ns-soa.darenet.dk	130.226.179.50 2001:878:0:e000:82:e2:b3:32	ns-soa.darenet.dk ns-soa.darenet.dk	AS1835 IDDQD-AS AS1835 IDDQD-AS
orion.i2.dk	78.153.182.90	orion.i2.dk	AS31027 GlobalConnect A/S

🌍 A Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.107.137	86400s	linux33.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	byensskole-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 2a01:111:f403:ca09::e 52.101.103.140 52.101.73.1 52.101.73.16 52.101.73.4	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔌 SRV Records1 records 201ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 525ms

TXT Record
inst=Byens Skole
SOA=1710512253
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (byens-skole.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

🔗 TLSA / DANE

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

🔐 DNSSEC2075ms

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

🏷️ SOA0ms

Field	Value
Serial	1710512253
Primary NS (MNAME)	mimer.deic.dk
Responsible (RNAME)	dns@support.i2.dk
Refresh	16384s
Retry	2048s
Expire	2097152s
Minimum (neg-cache TTL)	2560s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

42ms

MX

50ms

AAAA

69ms

TXT

525ms

CAA

41ms

HTTPS

51ms

TLSA

373ms

SOA

0ms

MTA-STS

68ms

DNSSEC

2075ms

SRV

201ms

Total

2947ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:03:23	2947ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 18:40:00	1045ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 15:42:53	1010ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 06:08:15	921ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 18:05:55	3252ms	3 NS 1 A 1 MX	🔓 Insecure	View