sl1.dk

📜 Historical scan 2026-10-01 15:07:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sl1.dk is a .dk domain served by 2 nameservers (melinda.ns.cloudflare.com, patryk.ns.cloudflare.com). It was registered on 18 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 152ms

Nameserver	IP addresses	PTR	ASN / ISP
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
patryk.ns.cloudflare.com	108.162.195.122 162.159.44.122 172.64.35.122 2606:4700:58::a29f:2c7a 2803:f800:50::6ca2:c37a 2a06:98c1:50::ac40:237a	patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com patryk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 487ms

TXT Record
apple-domain=B3LbTRnNXcIx4Ji3
apple-domain=kDjBhdQmTYI1VbmC
protonmail-verification=963beea409db9122a428dffb92479978219b1868
v=spf1 include:_spf.protonmail.ch include:icloud.com ~all

✉️ SPF#

Policy	Record (sl1.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch include:icloud.com ~all

📨 DMARC#

Policy	Record (_dmarc.sl1.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@sl1.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 07:50:28

www	Exists, no address
www vs bare domain	Neither resolves sl1.dk: no address www.sl1.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

248ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

165ms

Field	Value
Serial	2416278906
Primary NS (MNAME)	melinda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 08:12:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-03-18
Expires	2027-03-17 (144d)

📋 WHOIS#

⏱️ Lookup Timing#

152ms

64ms

116ms

AAAA

76ms

TXT

487ms

CAA

92ms

HTTPS

109ms

TLSA

602ms

SOA

165ms

MTA-STS

178ms

DNSSEC

248ms

SRV

285ms

Total

2906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 07:50:28	780ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-08 21:15:52	741ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-04 15:21:49	1799ms	2 NS 0 A 2 MX	🔒 Secure
2026-10-01 15:07:10 shown	2906ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-26 14:10:51	695ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-25 14:05:34	9488ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-22 21:14:42	1180ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-13 20:23:57	1259ms	2 NS 0 A 2 MX	🔒 Secure
2026-09-05 02:15:57	1135ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-27 01:53:07	633ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-24 04:04:31	9507ms	2 NS 0 A 2 MX	🔒 Secure
2026-08-17 14:17:28	5446ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-24 17:28:51	1965ms	2 NS 0 A 2 MX	🔒 Secure
2026-07-20 20:04:35	1140ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-06 04:35:10	2162ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-03 00:17:16	1552ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-22 19:17:11	2020ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-22 11:31:43	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 02:07:44	2160ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-20 20:04:22	1065ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:36:46	2164ms	2 NS 0 A 2 MX	🔓 Insecure