sif-udd.dk DNS records

🖥️ Nameservers4 records 70ms

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 Records1 records 66ms

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 Records2 records 72ms

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	AS43054 N-able Acquisition Company B.V. 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. AS43054 N-able Acquisition Company B.V. 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 Records2 records 299ms

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=quarantine	v=DMARC1; p=quarantine;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC174ms

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

🏷️ SOA0ms

Field	Value
Serial	2009010125
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

70ms

A

66ms

MX

72ms

AAAA

57ms

TXT

299ms

CAA

61ms

HTTPS

49ms

TLSA

142ms

SOA

0ms

MTA-STS

63ms

DNSSEC

174ms

SRV

111ms

Total

1458ms

🕐 Scan History

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