alexander-sf.dk DNS records

🖥️ Nameservers5 records 209ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.139.209	3600s	web9.gigahost.dk	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	alexander-sf.dk → 46.183.139.209
🔶 Autoconfig	alexander-sf.dk → 46.183.139.209

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 218ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records2 records 258ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (alexander-sf.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.alexander-sf.dk)
p=reject	v=DMARC1; p=reject;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.alexander-sf.dk	alexander-sf.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC9098ms

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	2026082701
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@alexander-sf.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

209ms

A

65ms

MX

53ms

AAAA

61ms

TXT

258ms

CAA

64ms

HTTPS

218ms

TLSA

83ms

SOA

0ms

MTA-STS

1325ms

DNSSEC

9098ms

SRV

218ms

Total

9610ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:42:54	9610ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 22:16:09	894ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-21 01:14:42	1272ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 06:29:05	4077ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 04:53:06	17479ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 16:07:22	9821ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 05:08:45	1453ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 01:40:50	1188ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-10 17:11:32	1556ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 00:18:35	868ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-27 20:07:18	2023ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 06:55:00	2305ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-18 08:35:31	748ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 12:42:00	769ms	5 NS 1 A 3 MX	🔓 Insecure	View