office365brugergruppen.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.151.93	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:5219	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:975d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.25,172.67.151.93 ech=AEX+DQBBvAAgACAjBvVHkFpqArpRl920aDwCdfppSK52abJazKltW9VlRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:5219,2606:4700:3037::ac43:975d

📝 TXT Records1 records 146ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (office365brugergruppen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.office365brugergruppen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:c4958b7c8c3d4c44acff78f2a8756f43@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC112ms

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

🏷️ SOA0ms

Field	Value
Serial	2413299892
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

27ms

MX

52ms

AAAA

36ms

TXT

146ms

CAA

37ms

HTTPS

31ms

TLSA

65ms

SOA

0ms

MTA-STS

56ms

DNSSEC

112ms

SRV

67ms

Total

501ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:09:26	501ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-26 15:23:34	533ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-24 15:34:46	2585ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-05 23:19:09	1673ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-11 09:13:41	1657ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 14:32:58	733ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 16:34:02	669ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 22:53:37	13859ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 22:18:20	11142ms	2 NS 2 A 0 MX	🔒 Secure	View