as1257.net - robtex.com
as1257.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | kista.dns.swip.net ⭐ | ||||||
| A | 2a00:801:103:a::f00d🇸🇪 SWIPNET2a00:800::/25 Tele2 IPv6 block In case of improper use originating from our network, please mail | ||||||
| PTR | kista.dns.swip.net | ||||||
| A | 192.71.220.9🇸🇪 SWIPNET192.71.220.0/24 -NICNET In case of improper use originating from our network, please mail customer or abuse@swip.net | ||||||
| PTR | kista.dns.swip.net | ||||||
| NS | kalmar.dns.swip.net | ||||||
| A | 2a00:801:103:f::beef🇸🇪 SWIPNET2a00:800::/25 Tele2 IPv6 block In case of improper use originating from our network, please mail | ||||||
| PTR | kalmar.dns.swip.net | ||||||
| A | 192.71.180.46🇸🇪 SWIPNET192.71.180.0/24 SE-SWIPNET In case of improper use originating from our network, please mail customer or abuse@swip.net | ||||||
| PTR | kalmar.dns.swip.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | kista.dns.swip.nethostmaster@tele2.com 2025-11-03 #11 | ||||||
net
| 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=1775983532 | ||||||
Same first word
DNS History
7 records (2 active, 5 former)
○NSa.ns.robtex.com2015-06-04 → 2016-12-31 · 4 obs
● 2016-12-31 06:02:54
○ 2017-10-09 20:19:02
○ 2026-04-12 08:48:50
●NSkalmar.dns.swip.net2026-02-22 → 2026-04-12 · 3 obs
● 2026-02-22 13:44:40
● 2026-04-12 08:48:50
●NSkista.dns.swip.net2026-02-22 → 2026-04-12 · 3 obs
● 2026-02-22 13:44:40
● 2026-04-12 08:48:50
○NSnsa.q.robtex.com2015-06-04 → 2016-12-31 · 4 obs
● 2016-12-31 06:02:54
○ 2017-10-09 20:19:02
○ 2026-04-12 08:48:50
○NSnsb.q.robtex.com2015-06-04 → 2016-12-31 · 4 obs
● 2016-12-31 06:02:54
○ 2017-10-09 20:19:02
○ 2026-04-12 08:48:50
○MXmx.robtex.com2015-06-04 → 2016-12-31 · 4 obs
● 2016-12-31 06:02:54
○ 2017-10-09 20:19:02
○ 2026-04-12 08:48:50
○A184.73.177.1082015-06-04 → 2018-11-25 · 6 obs
● 2016-12-31 06:02:54
○ 2017-10-09 20:19:02
● 2018-11-25 16:52:14
○ 2026-02-22 13:44:40
○ 2026-04-12 08:48:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| as1257.net | kalmar.dns.swip.net, kista.dns.swip.net | 4 records |
✅ Authoritative Response
Server:192.71.180.46
NS records: kalmar.dns.swip.net, kista.dns.swip.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for as1257.net (unsigned zone)
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | kalmar.dns.swip.net, kista.dns.swip.net |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | kista.dns.swip.net hostmaster.tele2.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (kalmar.dns.swip.net, kalmar.dns.swip.net, kista.dns.swip.net...)
Analysis
Name Servers
as1257.net is delegated to two name servers kalmar.dns.swip.net and kista.dns.swip.net.
as1257.net shares the same name server setup as other domains, for instance 12.255.83.in-addr.arpa, 112.248.83.in-addr.arpa, 192.88.213.in-addr.arpa, 66.227.87.in-addr.arpa and 144.88.213.in-addr.arpa.
as1257.net at least partially shares name servers with other domains, for instance 149.178.83.in-addr.arpa, 22.152.212.in-addr.arpa, 69.181.62.in-addr.arpa, tele2.info and 175.185.83.in-addr.arpa.
These name servers are commonly used alongside malmoe.dns.swip.net, falun.dns.swip.net, ystad.dns.swip.net, wexio.dns.swip.net, pitea.dns.swip.net and orebro.dns.swip.net.
Host names with two IP numbers:
The host name kalmar.dns.swip.net points to 2a00:801:103:f::beef and 192.71.180.46; the host name kista.dns.swip.net points to 2a00:801:103:a::f00d and 192.71.220.9.