srwb.dk

📜 Historical scan 2026-06-17 22:21:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

srwb.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 14 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 150ms

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 131ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	—	splash.zitcom.dk	AS48854	—	—	—	—

📧 MX Records#

2 records 150ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	—	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 918ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (srwb.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?all

📨 DMARC#

Policy	Record (_dmarc.srwb.dk)
p=reject	v=DMARC1;p=reject;pct=100;rua=mailto:1c1a63ee14@rua.easydmarc.eu;ruf=mailto:1c1a63ee14@ruf.easydmarc.eu;ri=86400;fo=1;

📬 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 2026-10-12 15:03:37

www	93.191.155.37 (AS48854) (address records, no CNAME)
www vs bare domain	Same network srwb.dk: 93.191.155.37 (AS48854) www.srwb.dk: 93.191.155.37 (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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

186ms

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

🏷️ SOA#

142ms

Field	Value
Serial	2026061601
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 02:34:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-01-14
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

150ms

131ms

150ms

AAAA

127ms

TXT

918ms

CAA

128ms

HTTPS

127ms

TLSA

74ms

SOA

142ms

MTA-STS

126ms

DNSSEC

186ms

SRV

149ms

Total

1358ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-26 21:27:07	22728ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 02:55:26	689ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 22:21:19 shown	1358ms	2 NS 1 A 2 MX	🔒 Secure