sydporten.dk

📜 Historical scan 2026-06-28 11:27:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sydporten.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was registered on 10 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.253.171 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by sydporten-dk.mail.protection.outlook.com, mx.sydporten.dk. 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-03.azure-dns.com	13.107.236.3 2603:1061:0:700::3	ns1-03.azure-dns.com ns1-03.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-03.azure-dns.net	150.171.21.3 2620:1ec:8ec:700::3	ns2-03.azure-dns.net ns2-03.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-03.azure-dns.org	204.14.183.3 2a01:111:4000:700::3	ns3-03.azure-dns.org ns3-03.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-03.azure-dns.info	208.84.5.3 2620:1ec:bda:700::3	ns4-03.azure-dns.info ns4-03.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.253.171	3600s	cvps707.serverhostgroup.com	AS63949	Akamai Connected Cloud	172.104.224.0/19	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sydporten-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca09::4 52.101.68.18 52.101.73.12 52.101.73.30 52.101.73.6	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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
10	3600s	mx.sydporten.dk	23.102.1.110	dmplesk01.danskmetal.dk	AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	172.104.253.171

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 193ms

TXT Record
apple-domain-verification=jT6Vf6mcyQrS4se2
brevo-code:144f0234a66a2d8d99aff38e1c683e04
google-site-verification=uEg__CLVC7ucA0TjWFu9Huz-IkKD6F6t8EkwuhHJflY
MS=MS38198115
v=spf1 a mx ip4:172.104.253.171 ip4:1.179.112.0/20 ip4:77.32.128.0/18 ip4:77.32.148.0/24 ip4:77.32.192.0/19 ip4:94.143.16.0/21 ip4:172.246.0.0/18 ip4:185.24.144.0/22 ip4:185.41.28.0/22 ip4:213.32.128.0/18 ip4:185.107.232.0/22 ip4:212.146.192.0/18 ip4:153.92.224.0/19 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 ip4:81.93.166.36 ip4:81.93.166.37 ip4:89.250.114.179 ip4:195.225.6.203 ip4:81.93.175.236 ip4:81.93.175.237 ip4:91.215.162.203 include:spf.lmmail.dk include:spf.protection.outlook.com include:spf.dimensiondesign.dk include:_spf.signicat.cloud ~all

✉️ SPF#

Policy	Record (sydporten.dk)
~all (soft fail)	v=spf1 a mx ip4:172.104.253.171 ip4:1.179.112.0/20 ip4:77.32.128.0/18 ip4:77.32.148.0/24 ip4:77.32.192.0/19 ip4:94.143.16.0/21 ip4:172.246.0.0/18 ip4:185.24.144.0/22 ip4:185.41.28.0/22 ip4:213.32.128.0/18 ip4:185.107.232.0/22 ip4:212.146.192.0/18 ip4:153.92.224.0/19 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 ip4:81.93.166.36 ip4:81.93.166.37 ip4:89.250.114.179 ip4:195.225.6.203 ip4:81.93.175.236 ip4:81.93.175.237 ip4:91.215.162.203 include:spf.lmmail.dk include:spf.protection.outlook.com include:spf.dimensiondesign.dk include:_spf.signicat.cloud ~all

Policy

Record (sydporten.dk)

~all (soft fail)

v=spf1 a mx ip4:172.104.253.171 ip4:1.179.112.0/20 ip4:77.32.128.0/18 ip4:77.32.148.0/24 ip4:77.32.192.0/19 ip4:94.143.16.0/21 ip4:172.246.0.0/18 ip4:185.24.144.0/22 ip4:185.41.28.0/22 ip4:213.32.128.0/18 ip4:185.107.232.0/22 ip4:212.146.192.0/18 ip4:153.92.224.0/19 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 ip4:81.93.166.36 ip4:81.93.166.37 ip4:89.250.114.179 ip4:195.225.6.203 ip4:81.93.175.236 ip4:81.93.175.237 ip4:91.215.162.203 include:spf.lmmail.dk include:spf.protection.outlook.com include:spf.dimensiondesign.dk include:_spf.signicat.cloud ~all

📨 DMARC#

Policy	Record (_dmarc.sydporten.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=100;rua=mailto:03958643e6@rua.easydmarc.eu;ruf=mailto:03958643e6@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 2026-10-09 10:33:24

www	172.104.253.171 (AS63949) (address records, no CNAME)
www vs bare domain	Same network sydporten.dk: 172.104.253.171 (AS63949) www.sydporten.dk: 172.104.253.171 (AS63949)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
mail	—	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
info Record is 714 bytes: long SPF records risk UDP truncation

🔗 TLSA / DANE#

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

🔐 DNSSEC#

64ms

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

🏷️ SOA#

48ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-03.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 00:36:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-09-10
Expires	2029-09-30 (1068d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

43ms

44ms

AAAA

44ms

TXT

193ms

CAA

43ms

HTTPS

48ms

TLSA

346ms

SOA

48ms

MTA-STS

55ms

DNSSEC

64ms

SRV

70ms

Total

1171ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:33:24	1877ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-30 04:39:18	747ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-27 03:24:12	1277ms	4 NS 1 A 2 MX	🔓 Insecure
2026-09-02 12:39:32	1074ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-28 07:02:41	1435ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-26 12:33:53	1429ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-28 11:27:10 shown	1171ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-26 19:56:13	1035ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 22:35:00	3448ms	4 NS 1 A 2 MX	🔓 Insecure