calendersign.com - robtex.com
calendersign.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.19.159.88🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | www88sni.world4you.com | ||||||
| NS | ns1.world4you.at ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:32:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns1.world4you.at | ||||||
| A | 185.132.32.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns1.world4you.at | ||||||
| NS | ns2.world4you.at | ||||||
| A | 2001:8d8:fe:53:217:160:82:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| A | 217.160.82.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns2.world4you.at | ||||||
| MX | mail.calendersign.com ⭐ | ||||||
| A | 81.19.149.98🇦🇹 IONOS-AS81.19.144.0/20 World4You.com | ||||||
| PTR | mail39.world4you.com | ||||||
| TXT | v=spf1 mx include:spf.w4ymail.at -all | ||||||
| SOA | ns1.world4you.athostmaster@world4you.com 2025-03-11 #23 | ||||||
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=1774715272 | ||||||
Subdomains
mail.calendersign.com |
Same first word
calendersign.com |
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.hostprofis.com2008-03-17 → 2017-10-27 · 4 obs
● 2017-10-27 19:47:04
○ 2026-03-05 06:35:00
○ 2026-03-28 16:28:30
●NSns1.world4you.at2026-03-05 → 2026-03-28 · 3 obs
● 2026-03-05 06:35:00
● 2026-03-28 16:28:30
○NSns2.hostprofis.com2008-03-17 → 2017-10-27 · 4 obs
● 2017-10-27 19:47:04
○ 2026-03-05 06:35:00
○ 2026-03-28 16:28:30
●NSns2.world4you.at2026-03-05 → 2026-03-28 · 3 obs
● 2026-03-05 06:35:00
● 2026-03-28 16:28:30
●MXmail.calendersign.com2008-03-17 → 2026-03-28 · 2 obs
● 2026-03-28 16:28:30
●A81.19.159.882026-03-05 → 2026-03-28 · 3 obs
● 2026-03-05 06:35:00
● 2026-03-28 16:28:30
○A85.158.181.182015-07-22 → 2017-10-27 · 5 obs
● 2015-07-22 19:02:44
● 2017-10-27 19:47:04
○ 2026-03-05 06:35:00
○ 2026-03-28 16:28:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| calendersign.com | ns1.world4you.at, ns2.world4you.at | - |
✅ Authoritative Response
Server:185.132.32.253
NS records: ns1.world4you.at, ns2.world4you.at
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.19.159.88 |
| NS | 2 | ns2.world4you.at, ns1.world4you.at |
| MX | 1 | mail.calendersign.com (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.w4ymail.at -all |
| SOA | 1 | ns1.world4you.at hostmaster.world4you.co |
Analysis
Hierarchy
mail.calendersign.com is a child of calendersign.com.
IP Addresses
calendersign.com resolves to one IP number: 81.19.159.88.
Other host names, for instance ihlas.at, fuchs-wolfgang.at, beatemoser.at, www.cb-consulting.at and be-fuelsaver.at share IP numbers with calendersign.com.
Name Servers
calendersign.com's delegation uses two name servers: ns1.world4you.at and ns2.world4you.at.
calendersign.com uses the same name server setup as other domains, such as all4home.at, andyabraham.at, repair-center.at, matla.at and mut-ladendorf.at.
calendersign.com at least partially shares name servers with other domains, for example jobref.de.
Host names with two IPs:
ns1.world4you.at points to 2607:f1c0:fe:53:185:132:32:253 and 185.132.32.253
ns2.world4you.at points to 2001:8d8:fe:53:217:160:82:253 and 217.160.82.253
Mail Servers
A single mail server handles calendersign.com, mail.calendersign.com.
Host name mail.calendersign.com resolves to a single IP: 81.19.149.98.