slack.dk DNS records

🖥️ Nameservers2 records 127ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.azehosting.net	2a01:4f8:13b:3146::1 94.130.138.185	— ns1.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.azehosting.net	2a01:4f8:c17:5f0a::2 88.99.15.5	ns2.azehosting.net ns2.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
168.119.144.139	360s	cp02.azehosting.net	AS24940	Hetzner Online GmbH	168.119.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	slack.dk	168.119.144.139 2a01:4f8:2b02:59b::2	cp02.azehosting.net cp02.azehosting.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)1 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b02:59b::2	14400s	cp02.azehosting.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 488ms

TXT Record
v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net +ip4:157.90.0.14 +ip4:157.90.34.121 +ip4:185.221.37.139 +ip4:88.99.206.78 +ip4:138.201.239.158 +ip4:185.121.172.190 ~all

✉️ SPF

Policy	Record (slack.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:168.119.144.139 include:spf.azehosting.net +ip4:157.90.0.14 +ip4:157.90.34.121 +ip4:185.221.37.139 +ip4:88.99.206.78 +ip4:138.201.239.158 +ip4:185.121.172.190 ~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.slack.dk	H9ZH1R5xKivF92oiiyys381ugBLyF_ErysgxyX5Dvv0

🔗 TLSA / DANE

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

🔐 DNSSEC312ms

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	2026090106
Primary NS (MNAME)	ns1.azehosting.net
Responsible (RNAME)	server-admin@azehosting.net
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

127ms

A

97ms

MX

116ms

AAAA

100ms

TXT

488ms

CAA

123ms

HTTPS

95ms

TLSA

109ms

SOA

0ms

MTA-STS

238ms

DNSSEC

312ms

SRV

225ms

Total

1199ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 18:35:10	1199ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 17:20:52	2058ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 16:41:06	619ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 22:15:32	671ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 22:02:47	641ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 03:25:10	2104ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 02:01:57	2681ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 01:46:12	5046ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 01:42:38	8941ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 01:16:28	5517ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 00:30:05	4138ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 21:41:08	2888ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 14:10:22	2010ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 13:50:57	3696ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 07:16:08	2890ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 23:35:01	1709ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 02:49:09	1888ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 17:21:38	1527ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-02 05:28:54	994ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-31 05:24:22	915ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 22:32:58	891ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 18:57:05	968ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 09:49:28	8886ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-26 09:32:35	1465ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 09:28:06	9665ms	2 NS 1 A 1 MX	🔓 Insecure	View