skolenbifrost.dk DNS records

🖥️ Nameservers2 records 37ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.63	3600s	webforward.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records6 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skolenbifrost-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.68.16 52.101.68.18 52.101.68.36 52.101.73.2	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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
1	3600s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a	lo-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	46.30.213.48

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 180ms

TXT Record
google-site-verification=L-wJUVsMQaix1sxwVjrHdBOZkE_RRttPNmIqxbJ44xA
MS=ms14831272
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com ip4:89.221.167.1/24 -all

✉️ SPF

Policy	Record (skolenbifrost.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com ip4:89.221.167.1/24 -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)

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081805
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

37ms

A

51ms

MX

39ms

AAAA

36ms

TXT

180ms

CAA

47ms

HTTPS

30ms

TLSA

677ms

SOA

0ms

MTA-STS

52ms

DNSSEC

88ms

SRV

77ms

Total

2233ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 12:18:45	2233ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-18 12:16:07	4171ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-08-08 07:24:50	1721ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-07-23 01:59:23	6253ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-23 04:59:17	1689ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-21 07:27:57	1794ms	2 NS 1 A 6 MX	🔒 Secure	View
2026-06-18 00:00:37	1484ms	2 NS 1 A 6 MX	🔒 Secure	View