siscon.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 10 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.45.99.93 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by siscon-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.45.99.93 | 600s | v2202607368844480204.bestsrv.de | AS197540 | netcup GmbH | 5.45.96.0/20 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| atlassian-domain-verification=YuGN2oTZkTDO3MTgf/dB0Y0SFdk4Cbd7vuoMVrL+QSpl4D2osHb5JuNdWTAgPxiP |
| google-site-verification=i8Auf6h1daHmte568jiZVUcDvcGs6pnGs1n_5GwLYfo |
| MS=ms42762306 |
| v=spf1 ip4:77.247.70.242 ip6:2603:10a6:10:151::18 ip4:152.115.59.86 include:spf.protection.outlook.com include:spf.simply.com include:spf.webcrm.com include:spf.mailjet.com include:146507434.spf04.hubspotemail.net ~all |
| Policy | Record (siscon.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:77.247.70.242 ip6:2603:10a6:10:151::18 ip4:152.115.59.86 include:spf.protection.outlook.com include:spf.simply.com include:spf.webcrm.com include:spf.mailjet.com include:146507434.spf04.hubspotemail.net ~all |
| Policy | Record (_dmarc.siscon.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:antivirus@siscon.dk; ruf=mailto:antivirus@siscon.dk; fo=1 |
| www CNAME | siscon.dk (all on siscon.dk) → 5.45.99.93 (AS197540) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-siscon-dk._domainkey.siscondenmark.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-siscon-dk._domainkey.siscondenmark.onmicrosoft.com | RSA · ~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.
DNS lookups: 6/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2004-08-10 |
| Expires | 2027-08-31 (313d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:24:16 | 2128ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 09:15:23 | 1022ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 23:55:14 shown | 1085ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 12:33:17 | 784ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 21:20:17 | 27286ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 17:56:22 | 9489ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 18:27:33 | 9243ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 01:05:21 | 1064ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 23:56:36 | 2448ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:08:31 | 2460ms | 4 NS 1 A 1 MX | 🔒 Secure |