codinghistory.com - dns.ninja
codinghistory.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | mail.tutanota.de ⭐ | ||||||
| A | 185.205.69.211🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w11.tutanota.de | ||||||
| A | 185.205.69.213🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w13.tutanota.de | ||||||
| A | 185.205.69.214🇺🇸 TUTA185.205.69.0/24 | ||||||
| PTR | mail.w14.tutanota.de | ||||||
| TXT | v=spf1 include:spf.tutanota.de -all | ||||||
| TXT | t-verify=b8e4aca6e01a5a36baff53f933293aee | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2025-12-11 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786620264 | ||||||
Subdomains
mail.codinghistory.com |
Same first word
codinghistory.com |
DNS History
7 records (5 active, 2 former)
●NSns.second-ns.com2015-08-20 → 2026-08-13 · 2 obs
● 2026-08-13 11:44:34
●NSns1.your-server.de2015-08-20 → 2026-08-13 · 2 obs
● 2026-08-13 11:44:34
●NSns3.second-ns.de2015-08-20 → 2026-08-13 · 2 obs
● 2026-08-13 11:44:34
○MXmail.codinghistory.com2015-08-20 → 2017-09-21 · 4 obs
● 2017-09-21 12:28:58
○ 2026-02-24 17:20:52
○ 2026-08-13 11:44:34
●MXmail.tutanota.de2026-02-24 → 2026-08-13 · 5 obs
● 2026-02-24 17:20:52
○ 2026-07-15 18:47:10
● 2026-07-16 10:01:12
● 2026-08-13 11:44:34
●A198.185.159.1442026-02-24 → 2026-08-13 · 5 obs
● 2026-02-24 17:20:52
○ 2026-07-15 18:47:10
● 2026-07-16 10:01:12
● 2026-08-13 11:44:34
○A78.47.69.362015-08-20 → 2017-09-21 · 4 obs
● 2017-09-21 12:28:58
○ 2026-02-24 17:20:52
○ 2026-08-13 11:44:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| codinghistory.com | ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de | 2 records |
✅ Authoritative Response
Server:213.239.204.242
NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codinghistory.com (unsigned zone)
⏱️ Timing
Total: 1266ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.185.159.144 |
| NS | 3 | ns1.your-server.de, ns3.second-ns.de... |
| MX | 1 | mail.tutanota.de (pri: 10) |
| TXT | 2 | v=spf1 include:spf.tutanota.de -all, t-verify=b8e4aca6e01a5a36baff53f933293ae |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)
Analysis
Hierarchy
codinghistory.com is a parent domain of mail.codinghistory.com.
IP Addresses
codinghistory.com directs to one IP number, which is 198.185.159.144.
Among the host names that share IP numbers with codinghistory.com are ferguson-lane.com, anikagriffithlaw.com, sky-high.info and two others.
Name Servers
The authoritative name servers for codinghistory.com are ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — three in total.
codinghistory.com shares at least some of its name servers with other domains, including geass.de, echolot.de, inoha.at and two others.
ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de all resolve to exactly two IP numbers apiece: ns.second-ns.com → 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de → 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de → 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
codinghistory.com routes its mail through a single mail server, mail.tutanota.de.
codinghistory.com has the same mail server arrangement as a number of other domains, for example laitinlok.com, pilifter.com, securitron.net and two more.
codinghistory.com has at least some mail servers in common with other domains, such as calcers.com, themodestproposals.org, ideawave.ca and theholyroger.com.
mail.tutanota.de directs to 185.205.69.211, 185.205.69.213 and 185.205.69.214 — three IP numbers in total.