alfa.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gnrx.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.gnrx.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.29.39	300s	dedi3039.your-server.de	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alfa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.0 52.101.73.123 52.101.73.6	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

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

📝 TXT Records2 records 164ms

TXT Record
MS=ms73157188
v=spf1 mx a ip4:89.221.162.141 include:spf.smtp2go.com include:spf.protection.outlook.com include:spfinclude.signflow.dk -all

✉️ SPF

Policy	Record (alfa.dk)
-all (hard fail)	v=spf1 mx a ip4:89.221.162.141 include:spf.smtp2go.com include:spf.protection.outlook.com include:spfinclude.signflow.dk -all

📨 DMARC

Policy	Record (_dmarc.alfa.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:ce7bfc5b@mxtoolbox.dmarc-report.com; ruf=mailto:ce7bfc5b@forensics.dmarc-report.com; 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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2025012902
Primary NS (MNAME)	ns1.gnrx.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

59ms

MX

57ms

AAAA

58ms

TXT

164ms

CAA

66ms

HTTPS

70ms

TLSA

184ms

SOA

0ms

MTA-STS

62ms

DNSSEC

104ms

SRV

89ms

Total

876ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:32:44	876ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 15:59:21	1276ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 06:20:23	1095ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 12:40:46	943ms	2 NS 1 A 1 MX	🔒 Secure	View