ef.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dorthy.ns.cloudflare.com	108.162.192.249 172.64.32.249 173.245.58.249 2606:4700:50::adf5:3af9 2803:f800:50::6ca2:c0f9 2a06:98c1:50::ac40:20f9	dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	300s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	300s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	300s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	300s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ef-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig

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

🔷 AAAA Records (IPv6)4 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8001::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8002::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8003::153	300s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 208ms

TXT Record
c4BUEVA
MS=ms13392263
v=spf1 include:spf.protection.outlook.com ip4:194.239.23.250/32 a:massmail.scannet.dk -all

✉️ SPF

Policy	Record (ef.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:194.239.23.250/32 a:massmail.scannet.dk -all

📨 DMARC

Policy	Record (_dmarc.ef.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=s; pct=100;

📬 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)

🔐 DNSSEC101ms

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	2412155000
Primary NS (MNAME)	clark.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

54ms

A

57ms

MX

42ms

AAAA

49ms

TXT

208ms

CAA

51ms

HTTPS

57ms

TLSA

407ms

SOA

0ms

MTA-STS

62ms

DNSSEC

101ms

SRV

74ms

Total

1564ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 07:45:55	1564ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-08-13 07:13:39	1447ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-07-06 23:58:36	1294ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-25 10:46:27	873ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-20 18:39:20	1465ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 06:18:49	21014ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 06:08:33	2027ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 06:02:04	485ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 06:00:31	725ms	2 NS 4 A 1 MX	🔓 Insecure	View