slsr.dk

📜 Historical scan 2026-09-19 11:43:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

slsr.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, noor.ns.cloudflare.com). It was registered on 30 August 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.146 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by slsr-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 236ms

Nameserver	IP addresses	PTR	ASN / ISP
lewis.ns.cloudflare.com	108.162.195.159 162.159.44.159 172.64.35.159 2606:4700:58::a29f:2c9f 2803:f800:50::6ca2:c39f 2a06:98c1:50::ac40:239f	lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com lewis.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noor.ns.cloudflare.com	108.162.194.74 162.159.38.74 172.64.34.74 2606:4700:50::a29f:264a 2803:f800:50::6ca2:c24a 2a06:98c1:50::ac40:224a	noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.39.146	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.207	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 498ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	slsr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 2a01:111:f403:ca3c::8 52.101.185.114 52.101.185.21 52.101.73.126 52.101.73.145	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.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	104.21.39.146
🔶 Autoconfig	104.21.39.146

🔷 AAAA Records (IPv6)#

2 records 508ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:2792	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:aacf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 489ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.39.146,172.67.170.207 ech=AEX+DQBBOgAgACCCyy7GSG+7b0WrmSLxndYyrsm4LgNbmu/g51hJR6R4egAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2792,2606:4700:3036::ac43:aacf

📝 TXT Records#

4 records 780ms

TXT Record
google-site-verification=H31rfuVHIypj06mv0H1ANeLr7QB_LlrbQGqG9dxMRPE
P-khKJ5hPspT
P-zQGRooHM2H
v=spf1 +a +mx include:spf.curanet.dk include:spf.protection.outlook.com include:spf.permido.com -all

✉️ SPF#

Policy	Record (slsr.dk)
-all (hard fail)	v=spf1 +a +mx include:spf.curanet.dk include:spf.protection.outlook.com include:spf.permido.com -all

📨 DMARC#

Policy	Record (_dmarc.slsr.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:marcus@lello.dk; ruf=mailto:marcus@lello.dk; pct=100;

📬 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 2026-10-15 13:22:38

www	104.21.39.146 172.67.170.207 2606:4700:3032::6815:2792 2606:4700:3036::ac43:aacf (AS13335) (address records, no CNAME)
www vs bare domain	Same network slsr.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.slsr.dk: 104.21.39.146 172.67.170.207 2606:4700:3032::6815:2792 2606:4700:3036::ac43:aacf (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-slsr-dk._domainkey.lysehoj.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-slsr-dk._domainkey.lysehoj.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

523ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414976829
Primary NS (MNAME)	lewis.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 19:16:08

Field	Value
Registrar	CURANET A/S
Registered	2024-08-30
Expires	2027-08-29 (307d)

📋 WHOIS#

⏱️ Lookup Timing#

236ms

240ms

498ms

AAAA

508ms

TXT

780ms

CAA

130ms

HTTPS

489ms

TLSA

422ms

SOA

0ms

MTA-STS

510ms

DNSSEC

523ms

SRV

500ms

Total

2358ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 13:22:38	3496ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-10 06:53:42	2229ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 19:04:30	1640ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 19:02:53	1252ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 18:57:27	1599ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 16:55:51	786ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 09:34:04	9792ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 19:12:49	1395ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 11:43:33 shown	2358ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-29 02:09:31	1001ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 15:35:51	3290ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 07:33:40	1062ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 06:31:47	2077ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-19 17:52:30	2463ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-18 15:46:16	1431ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-13 04:32:49	9343ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:10:53	3104ms	2 NS 2 A 1 MX	🔒 Secure