polytech.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 9 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.62.109.157 is hosted by DigitalOcean, LLC (AS14061) in United Kingdom. Mail is handled by polytech.in.tmes.trendmicro.eu. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 178.62.109.157 | 3600s | 548337.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 178.62.0.0/16 | 🇬🇧 United Kingdom | Slough |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | polytech.in.tmes.trendmicro.eu | 18.185.115.145 18.185.115.146 18.185.115.147 |
in.tmes.trendmicro.eu in.tmes.trendmicro.eu in.tmes.trendmicro.eu |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | polytech.dk → 178.62.109.157 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| tmes=1b88e6da261bf4c1448aa7c73b042623 |
| v=spf1 include:spf.protection.outlook.com ip4:178.62.109.157 include:spf.tmes.trendmicro.com include:amazonses.com -all |
| Policy | Record (polytech.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:178.62.109.157 include:spf.tmes.trendmicro.com include:amazonses.com -all |
| Policy | Record (_dmarc.polytech.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100 |
| www CNAME | polytech.dk (all on polytech.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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.
DNS lookups: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.polytech.dk | polytech.dk |
| TXT | polytech.dk | tmes=1b88e6da261bf4c1448aa7c73b042623 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023053046 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 1998-02-09 |
| Expires | 2027-03-31 (163d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:53:16 shown | 609ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 07:45:37 | 665ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 10:09:48 | 2675ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:15:34 | 612ms | 3 NS 1 A 1 MX | 🔒 Secure |