alfastsen.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rihana.ns.cloudflare.com	108.162.192.244 172.64.32.244 173.245.58.244 2606:4700:50::adf5:3af4 2803:f800:50::6ca2:c0f4 2a06:98c1:50::ac40:20f4	rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.70.213	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.216	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	alfastsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 52.101.73.11 52.101.73.126 52.101.73.155 52.101.73.19	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as8pr04cu00803.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
🔶 Autoconfig	172.67.139.216

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8bd8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:46d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.70.213,172.67.139.216 ech=AEX+DQBB3AAgACCjGdSZQoISHFcxnJdF7/qSWC/lNO8x8b69O3XMmzvvbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8bd8,2606:4700:3036::6815:46d5

🔌 SRV Records1 records 55ms

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

📝 TXT Records1 records 148ms

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

✉️ SPF

Policy	Record (alfastsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.alfastsen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:jan@alfastsen.dk; ruf=mailto:jan@alfastsen.dk; fo=1;

📬 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2413513546
Primary NS (MNAME)	karl.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

21ms

A

28ms

MX

32ms

AAAA

33ms

TXT

148ms

CAA

32ms

HTTPS

26ms

TLSA

307ms

SOA

0ms

MTA-STS

44ms

DNSSEC

96ms

SRV

55ms

Total

1321ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 22:24:16	1321ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-27 17:23:54	1144ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-23 00:14:54	11246ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-06 11:20:21	2085ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-29 16:22:46	4120ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-06 00:05:37	1662ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-02 11:50:29	963ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 18:07:20	1393ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 00:54:03	2124ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-19 20:53:22	795ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 19:25:12	1130ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 12:48:39	900ms	2 NS 2 A 1 MX	🔒 Secure	View