sif-udd.dk

📜 Historical scan 2026-06-25 01:03:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sif-udd.dk is a .dk domain served by 4 nameservers (ns1.wwi.dk, ns2.wwi.dk, ns3.wwi.as and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 165.227.140.129 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by mx.spamexperts.com, fallbackmx.spamexperts.eu. The zone is not DNSSEC-signed, 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#

4 records 265ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.wwi.dk	208.94.148.4 2600:1800:10::1	ns10.dnsmadeeasy.com ns10.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns2.wwi.dk	208.80.124.4 2600:1801:11::1	ns11.dnsmadeeasy.com ns11.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns3.wwi.as	208.80.126.4 2600:1802:12::1	ns12.dnsmadeeasy.com ns12.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC
ns4.wwi.eu	208.80.125.4 2600:1801:13::1	ns13.dnsmadeeasy.com ns13.dnsmadeeasy.com	AS16552 Tiggee LLC AS16552 Tiggee LLC

🌍 A Records#

1 records 300ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
165.227.140.129	900s	do1.dudal.com	AS14061	DigitalOcean, LLC	165.227.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 260ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	mx.spamexperts.com	154.59.104.23 2001:978:2:7::162:100	fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
20	900s	fallbackmx.spamexperts.eu	149.13.75.27 154.59.104.23 154.59.193.124 2001:978:2:2c::137:100 2001:978:2:6::f:124 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 704ms

TXT Record
google-site-verification=S2-jVsaDS9YTSysrsalVVYkPlikGzmskr0rA8dNYQ2U
v=spf1 mx a a:smtp.eero.dk a:mail.dudal.com -all

✉️ SPF#

Policy	Record (sif-udd.dk)
-all (hard fail)	v=spf1 mx a a:smtp.eero.dk a:mail.dudal.com -all

📨 DMARC#

Policy	Record (_dmarc.sif-udd.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 2026-10-09 01:44:55

www CNAME	sif-udd.dk (all on sif-udd.dk) → 165.227.140.129 (AS14061)
www vs bare domain	Same network sif-udd.dk: 165.227.140.129 (AS14061) www.sif-udd.dk: 165.227.140.129 (AS14061)
Wildcard	No

✍️ 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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

409ms

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

🏷️ SOA#

288ms

Field	Value
Serial	2009010124
Primary NS (MNAME)	ns10.dnsmadeeasy.com
Responsible (RNAME)	dns@dnsmadeeasy.com
Refresh	43200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

265ms

300ms

260ms

AAAA

308ms

TXT

704ms

CAA

227ms

HTTPS

286ms

TLSA

334ms

SOA

288ms

MTA-STS

323ms

DNSSEC

409ms

SRV

323ms

Total

2949ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 01:44:55	848ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-30 13:55:37	731ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-30 01:00:29	927ms	4 NS 1 A 2 MX	🔓 Insecure
2026-07-08 12:03:24	1458ms	4 NS 1 A 2 MX	🔓 Insecure
2026-07-02 17:14:25	1054ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-27 05:39:43	974ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-25 01:03:20 shown	2949ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-24 21:44:22	8736ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-22 11:10:50	912ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 22:17:10	533ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-18 06:51:32	750ms	4 NS 1 A 2 MX	🔓 Insecure