sw.dk

📜 Historical scan 2026-08-08 15:05:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sw.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.20 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by sw-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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.184.85.20	3600s	nlsh04.h4r-infra.net	AS59795	PerfGrid	213.184.84.0/23	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	sw-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.21 52.101.73.11 52.101.73.19 52.101.73.8	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:3a00:3020::1	3600s	nlsh04.h4r-infra.net	AS59795	PerfGrid	2a09:3a00:3000:0:0:0:0:0/40	🇳🇱 The Netherlands	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 106ms

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

📝 TXT Records#

3 records 216ms

TXT Record
apple-domain-verification=U9q2cP4etBo8cIc5
MS=8A129D7DE2E60E1BB2F8FF6BC00CC8079BB32BBE
v=spf1 include:spf.protection.outlook.com include:spf.minisite.dk include:_spf.consignor.com include:spf-record.net include:spf.smtp2go.com include:spf.cm.puzzel.com include:_spf.centerasecurity.dk -all

✉️ SPF#

Policy	Record (sw.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.minisite.dk include:_spf.consignor.com include:spf-record.net include:spf.smtp2go.com include:spf.cm.puzzel.com include:_spf.centerasecurity.dk -all

📨 DMARC#

Policy	Record (_dmarc.sw.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@sw.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 2026-10-09 10:34:53

www	213.184.85.20 2a09:3a00:3020::1 (AS59795) (address records, no CNAME)
www vs bare domain	Same network sw.dk: 213.184.85.20 2a09:3a00:3020::1 (AS59795) www.sw.dk: 213.184.85.20 2a09:3a00:3020::1 (AS59795)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sw.dk	d305524b-898a-4055-8ebd-c01d73164206.auth.acme-challenge.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

86ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080502
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

34ms

30ms

AAAA

33ms

TXT

216ms

CAA

34ms

HTTPS

44ms

TLSA

428ms

SOA

0ms

MTA-STS

54ms

DNSSEC

86ms

SRV

106ms

Total

1457ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:34:53	1083ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 20:24:51	1074ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 10:33:17	1130ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 15:05:29 shown	1457ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 21:27:55	8121ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:23:56	878ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 17:30:04	1344ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:18:39	1387ms	2 NS 1 A 1 MX	🔒 Secure