sidewalk.dk

📜 Historical scan 2026-06-26 06:54:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidewalk.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 18 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.158.74 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sidewalk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 271ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 194ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.74	60s	linux210.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 211ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sidewalk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca09::8 52.101.68.21 52.101.68.32 52.101.73.15 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	93.191.158.74

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 279ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 461ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sidewalk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 04:02:23

www	93.191.158.74 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sidewalk.dk: 93.191.158.74 (AS48854) www.sidewalk.dk: 93.191.158.74 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

316ms

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

🏷️ SOA#

236ms

Field	Value
Serial	2025100601
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 20:21:06

Field	Value
Registrar	DANDOMAIN A/S
Registered	2002-09-18
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

271ms

194ms

211ms

AAAA

152ms

TXT

461ms

CAA

146ms

HTTPS

224ms

TLSA

552ms

SOA

236ms

MTA-STS

248ms

DNSSEC

316ms

SRV

279ms

Total

1811ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 09:19:02	1153ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:46:43	955ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 20:06:43	1095ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:02:00	820ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 17:19:23	1063ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 06:54:24 shown	1811ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 06:01:44	757ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:10:06	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:36:56	2763ms	2 NS 1 A 1 MX	🔒 Secure