123skolemad.dk DNS records

🖥️ Nameservers2 records 44ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.243.131.16	43200s	—	AS48854	team.blue Denmark A/S	77.243.128.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	123skolemad-dk.mail.protection.outlook.com	2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 2a01:111:f403:ca48::8 52.101.68.16 52.101.68.18 52.101.68.25 52.101.73.12	mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 166ms

TXT Record
MS=ms81327455
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (123skolemad.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)

🔐 DNSSEC70ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

44ms

A

39ms

MX

40ms

AAAA

42ms

TXT

166ms

CAA

45ms

HTTPS

56ms

TLSA

243ms

SOA

0ms

MTA-STS

70ms

DNSSEC

70ms

SRV

71ms

Total

862ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:20:48	862ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 18:27:54	5443ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 18:23:47	2587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:53:04	2121ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 02:09:43	1147ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 18:26:14	3285ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:09:49	1352ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:56:30	1552ms	2 NS 1 A 1 MX	🔒 Secure	View