mail.a4.sk - robtex.com
mail.a4.sk
| CNAME | a4.sk | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.208.121.78🇨🇿 QUANTCOM-AS88.208.64.0/18 Dial Telecom, a.s. | ||||||
| PTR | multiplace.org | ||||||
| NS | ns0.1984.is ⭐ | ||||||
| A | 2001:19f0:5001:185a:5400:ff:fe50:56d5🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix | ||||||
| PTR | ns0.1984.is | ||||||
| A | 45.76.37.222🇳🇱 AS-VULTR45.76.32.0/21 Vultr Assigned Prefix | ||||||
| PTR | ns0.1984.is | ||||||
| NS | ns1.1984.is | ||||||
| A | 2a01:3f1:36::53🇸🇪 NETNOD-IX2a01:3f1::/38 NDS A $Id: route6_2a01:3f1:0000::-38,v 1.1 2016/06/09 09:36:50 pierre Exp $ | ||||||
| PTR | ns1.1984.is | ||||||
| A | 194.58.192.36🇸🇪 NETNOD-IX194.58.192.0/24 NDS A | ||||||
| PTR | ns1.1984.is | ||||||
| NS | ns2.1984.is ⚠️ Not in parent delegation | ||||||
| A | 45.32.180.186🇬🇧 AS-VULTR45.32.176.0/21 Vultr Assigned Prefix | ||||||
| PTR | ns2.1984.is | ||||||
| A | 93.95.226.52🇮🇸 THE-1984-AS93.95.224.0/21 The 1984 ehf Autonomous System | ||||||
| PTR | ns2.1984.is | ||||||
| NS | ns2.1984hosting.com ⚠️ Not in parent delegation | ||||||
| A | 93.95.226.53🇮🇸 THE-1984-AS93.95.224.0/21 The 1984 ehf Autonomous System | ||||||
| PTR | ns2.1984hosting.com | ||||||
| MX | mail.multiplace.org ⭐ | ||||||
| A | 88.208.121.78🇨🇿 QUANTCOM-AS88.208.64.0/18 Dial Telecom, a.s. | ||||||
| PTR | multiplace.org | ||||||
| TXT | google-site-verification=UhzJ1DT2JW5vN2_k_9AXqyLC9NihtRBdSS-7l1l6jQc | ||||||
| TXT | v=spf1 mx a ip4:88.208.121.78 -all | ||||||
| SOA | ns0.1984.ishostmaster@1984.is 2016-04-16 #22 | ||||||
a4.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.208.121.78🇨🇿 QUANTCOM-AS88.208.64.0/18 Dial Telecom, a.s. | ||||||
| NS | ns0.1984.is ⭐ | ||||||
| NS | ns1.1984.is | ||||||
| NS | ns2.1984.is ⚠️ Not in parent delegation | ||||||
| NS | ns2.1984hosting.com ⚠️ Not in parent delegation | ||||||
| MX | mail.multiplace.org ⭐ | ||||||
| TXT | google-site-verification=UhzJ1DT2JW5vN2_k_9AXqyLC9NihtRBdSS-7l1l6jQc | ||||||
| TXT | v=spf1 mx a ip4:88.208.121.78 -all | ||||||
| SOA | ns0.1984.ishostmaster@1984.is 2016-04-16 #22 | ||||||
WOT: SAFE (60/100)
Previously MX for
Same first word
Similar names
DNS History
8 records (1 active, 7 former)
○NSns0.1984.is2016-04-17 → 2016-04-17 · 3 obs
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○NSns1.1984.is2016-04-17 → 2016-04-17 · 3 obs
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○NSns2.1984.is2016-04-17 → 2016-04-17 · 3 obs
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○NSns2.1984hosting.com2016-04-17 → 2016-04-17 · 3 obs
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○MXmail.multiplace.sk2016-04-17 → 2016-04-17 · 3 obs
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○A88.208.121.782016-04-17 → 2016-04-17 · 4 obs
● 2016-04-17 20:40:12
○ 2026-05-05 14:49:18
○ 2026-05-13 18:52:38
○A92.240.234.462015-07-19 → 2016-01-26 · 4 obs
● 2016-01-26 07:55:26
○ 2016-04-17 20:40:12
○ 2026-05-13 18:52:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | g.tld.sk, h.tld.sk, e.tld.sk, f.tld.sk | - |
| a4.sk | ns0.1984.is, ns1.1984.is | - |
✅ Authoritative Response
Server:194.58.192.36
NS records: ns0.1984.is, ns1.1984.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a4.sk (unsigned zone)
⏱️ Timing
Total: 961ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | a4.sk |
Analysis
IP Addresses
mail.a4.sk resolves to one IP number: 88.208.121.78.
Other host names, for instance a4.sk, gnd.sk, mail.multiplace.sk, praguemicrofestival.com and katamach.com share IP numbers with mail.a4.sk.
Name Servers
mail.a4.sk delegates to four name servers: ns2.1984hosting.com, ns0.1984.is, ns1.1984.is and ns2.1984.is.
mail.a4.sk at least partially shares name servers with other domains, including logmannsstofan.is, explo.is, transformia.is, karpacz-ski.pl and navigo.is.
These name servers are commonly used with ns1.1984hosting.com.
Host names with two IPs:
ns0.1984.is points to 2001:19f0:5001:185a:5400:ff:fe50:56d5 and 45.76.37.222
ns1.1984.is points to 2a01:3f1:36::53 and 194.58.192.36
ns2.1984.is points to 45.32.180.186 and 93.95.226.52
Host names with one IP:
ns2.1984hosting.com points to 93.95.226.53
Mail Servers
A single mail server handles mail.a4.sk, mail.multiplace.org.
mail.a4.sk shares the same mail server setup as other domains, for instance a4.sk, katamach.com, nextfestival.sk, societyofalgorithm.org and 34.sk.
Host name mail.multiplace.org resolves to a single IP: 88.208.121.78.