tantech.dk - robtex.com
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tantech.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 185.21.40.74🇩🇰 team-blue-denmark | ||||||
| PTR | linux82.curanet.dk | ||||||
| NS | ns1.curanet.dk ⭐ 🔒 | ||||||
| A | 2a02:2339:4006:108::123🇩🇰 team-blue-denmark | ||||||
| PTR | ns1.curanet.dk | ||||||
| A | 185.25.141.12🇩🇰 team-blue-denmark | ||||||
| PTR | ns1.curanet.dk | ||||||
| NS | ns2.curanet.dk 🔒 | ||||||
| A | 2a02:2339:1:10f::123:123🇩🇰 team-blue-denmark | ||||||
| PTR | ns2.curanet.dk | ||||||
| A | 91.197.248.75🇩🇰 team-blue-denmark | ||||||
| PTR | ns2.curanet.dk | ||||||
| MX | tantech-dk.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all | ||||||
| SOA | ns1.curanet.dkhostmaster@curanet.dk 2021-11-17 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ 🔒 | ||||||
| NS | c.nic.dk 🔒 | ||||||
| NS | h.nic.dk 🔒 | ||||||
| NS | l.nic.dk 🔒 | ||||||
| NS | s.nic.dk 🔒 | ||||||
| NS | t.nic.dk 🔒 | ||||||
| TXT | DK zone updateEpoch 1771291441localtime Tue Feb 17 02:24:01 2026gmtime Tue Fe... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1771291261 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.curanet.dk2015-07-20 → 2026-02-18 · 2 obs
● 2026-02-18 23:15:00
●NSns2.curanet.dk2015-07-20 → 2026-02-18 · 2 obs
● 2026-02-18 23:15:00
○MXbackup-mx.zitcom.dk2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-19 02:55:00
○ 2026-02-18 23:15:00
○MXmail.tantech.dk2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-19 02:55:00
○ 2026-02-18 23:15:00
○MXmx1.webexchange.nu2015-11-19 → 2020-01-05 · 5 obs
● 2015-11-19 02:55:00
● 2020-01-05 23:50:36
○ 2026-02-18 02:22:34
○ 2026-02-18 23:15:00
○MXmx2.webexchange.nu2015-11-19 → 2020-01-05 · 5 obs
● 2015-11-19 02:55:00
● 2020-01-05 23:50:36
○ 2026-02-18 02:22:34
○ 2026-02-18 23:15:00
●MXtantech-dk.mail.protection.outlook.com2026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:22:34
● 2026-02-18 23:15:00
●A185.21.40.742026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 02:22:34
● 2026-02-18 23:15:00
○A77.235.62.1092020-01-05 → 2020-01-05 · 4 obs
● 2020-01-05 23:50:36
○ 2026-02-18 02:22:34
○ 2026-02-18 23:15:00
○A93.191.155.12015-07-20 → 2017-02-09 · 4 obs
● 2017-02-09 05:00:48
○ 2020-01-05 23:50:36
○ 2026-02-18 23:15:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| tantech.dk | ns1.curanet.dk, ns2.curanet.dk | - |
✅ Authoritative Response
Server: 91.197.248.75
NS records: ns1.curanet.dk, ns2.curanet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1036ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.40.74 |
| NS | 2 | ns2.curanet.dk, ns1.curanet.dk |
| MX | 1 | tantech-dk.mail.protection.outlook.com ( |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.curanet.dk hostmaster.curanet.dk |
AI analysis
tantech.dk resolves to one IP number: 185.21.40.74.
other host names including clevertec.dk, e-espersen.dk, museumns.dk, staring.dk and philips-butikken.dk share IP numbers with tantech.dk.
tantech.dk is delegated to two name servers ns1.curanet.dk and ns2.curanet.dk.
tantech.dk shares the same name server setup as other domains, for instance logistikcenteret.dk, dsuk.dk, kpf.dk, hdn.dk and dynamikit.dk.
tantech.dk shares at least some name servers with other domains, for example vinno.info, soalive.dk and concordia.dk.
these name servers are commonly used alongside ns1.123hotel.dk.
Host names with two IP numbers:
The host name ns1.curanet.dk points to 2a02:2339:4006:108::123 and 185.25.141.12; the host name ns2.curanet.dk points to 2a02:2339:1:10f::123:123 and 91.197.248.75.
tantech.dk is handled by a single mail server, tantech-dk.mail.protection.outlook.com.