sdf.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.netgiganten.dk	195.242.130.5 2001:67c:564:eeee::11	ns1.netgiganten.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.netgiganten.dk	2a00:1b18:2:3:4::2 62.69.152.38	— —	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.242.130.13	600s	web3.netgiganten.dk	AS62121	Christian Ebsen ApS	195.242.130.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	600s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	600s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	195.242.130.13
🔶 Autoconfig	195.242.130.13

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 139ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records2 records 178ms

TXT Record
google-site-verification=kPOb6alJC96nlkVVeSDKxgQsoM2El6SJs-jgCFtD4UE
v=spf1 ip4:195.242.130.13 include:_spf.netgiganten.dk +a +mx +ip4:195.242.130.15 ~all

✉️ SPF

Policy	Record (sdf.dk)
~all (soft fail)	v=spf1 ip4:195.242.130.13 include:_spf.netgiganten.dk +a +mx +ip4:195.242.130.15 ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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
TXT	_acme-challenge.sdf.dk	kH73hm7rFsXHuN2Ofo1JxZhjhBHQmQU22QXriIUFhYc

🔗 TLSA / DANE3 records 114ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…

🔐 DNSSEC121ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071301
Primary NS (MNAME)	ns1.netgiganten.dk
Responsible (RNAME)	hostmaster@mailrelay.e-studio.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

36ms

MX

55ms

AAAA

47ms

TXT

178ms

CAA

46ms

HTTPS

46ms

TLSA

114ms

SOA

0ms

MTA-STS

67ms

DNSSEC

121ms

SRV

139ms

Total

1076ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:59:19	631ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 11:04:44	860ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-16 08:48:07	1076ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-04 22:00:42	2227ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 13:31:53	3191ms	2 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-24 11:53:52	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 23:35:33	2390ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 19:06:01	1244ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-19 22:42:35	742ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 18:16:31	4222ms	2 NS 1 A 3 MX	🔒 Secure	View