slbooks.dk

📜 Historical scan 2026-06-26 17:30:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

slbooks.dk is a .dk domain served by 2 nameservers (lee.ns.cloudflare.com, phoenix.ns.cloudflare.com). It was registered on 9 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.224 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by slbooks-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
lee.ns.cloudflare.com	108.162.193.129 172.64.33.129 173.245.59.129 2606:4700:58::adf5:3b81 2803:f800:50::6ca2:c181 2a06:98c1:50::ac40:2181	lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phoenix.ns.cloudflare.com	108.162.194.201 162.159.38.201 172.64.34.201 2606:4700:50::a29f:26c9 2803:f800:50::6ca2:c2c9 2a06:98c1:50::ac40:22c9	phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.224	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.8	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	slbooks-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.21 52.101.73.19 52.101.73.4	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b408	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1fe0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.224,172.67.180.8 ech=AEX+DQBB+wAgACCx9hEFPeyumjZ4BbRGdK4KPzZKxLkKj7wnGup8Lg1GfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b408,2606:4700:3036::6815:1fe0

📝 TXT Records#

2 records 136ms

TXT Record
MS=ms31642961
v=spf1 ip4:192.38.111.162/28 include:spf.messagelabs.com include:bounce.peytz.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (slbooks.dk)
-all (hard fail)	v=spf1 ip4:192.38.111.162/28 include:spf.messagelabs.com include:bounce.peytz.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.slbooks.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-24 04:28:08

www	104.21.31.224 172.67.180.8 2606:4700:3033::ac43:b408 2606:4700:3036::6815:1fe0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network slbooks.dk: 104.21.31.224 172.67.180.8 2606:4700:3033::ac43:b408 2606:4700:3036::6815:1fe0 (AS13335) www.slbooks.dk: 104.21.31.224 172.67.180.8 2606:4700:3033::ac43:b408 2606:4700:3036::6815:1fe0 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2407831216
Primary NS (MNAME)	lee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 21:02:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-01-09
Expires	2027-05-31 (218d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

37ms

45ms

AAAA

34ms

TXT

136ms

CAA

52ms

HTTPS

47ms

TLSA

219ms

SOA

0ms

MTA-STS

51ms

DNSSEC

109ms

SRV

52ms

Total

970ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 04:28:08	576ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 04:32:35	1057ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 06:39:14	2919ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 12:41:54	2897ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 00:21:09	957ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 00:36:00	1552ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 22:51:01	2434ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 23:10:39	1111ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-29 07:51:04	1631ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 17:30:58 shown	970ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 17:05:41	1069ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 23:47:47	1069ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 23:26:26	2895ms	2 NS 2 A 1 MX	🔓 Insecure