alftaborg.is - robtex.com
alftaborg.is
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1775935802 | ||||||
Same first word
alftaborg.is |
DNS History
10 records (4 active, 6 former)
○NSmx-1.reykjavik.is2015-08-17 → 2017-06-08 · 4 obs
● 2017-06-08 14:46:24
○ 2026-03-26 04:22:28
○ 2026-04-11 19:59:40
○NSmx-2.reykjavik.is2015-08-17 → 2017-06-08 · 4 obs
● 2017-06-08 14:46:24
○ 2026-03-26 04:22:28
○ 2026-04-11 19:59:40
●NSns-1.reykjavik.is2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:22:28
● 2026-04-11 19:59:40
●NSns-2.reykjavik.is2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:22:28
● 2026-04-11 19:59:40
●MXalftaborg-is.mail.protection.outlook.com2026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:22:28
● 2026-04-11 19:59:40
○MXmx-1.reykjavik.is2015-08-17 → 2017-06-08 · 4 obs
● 2017-06-08 14:46:24
○ 2026-03-26 04:22:28
○ 2026-04-11 19:59:40
○MXmx-2.reykjavik.is2015-08-17 → 2017-06-08 · 4 obs
● 2017-06-08 14:46:24
○ 2026-03-26 04:22:28
○ 2026-04-11 19:59:40
●A20.31.19.1722026-03-26 → 2026-04-11 · 3 obs
● 2026-03-26 04:22:28
● 2026-04-11 19:59:40
○A82.112.94.1622015-08-17 → 2015-08-17 · 3 obs
○ 2015-12-01 12:04:40
○ 2026-04-11 19:59:40
○A82.112.94.1642015-12-01 → 2017-06-08 · 5 obs
● 2015-12-01 12:04:40
● 2017-06-08 14:46:24
○ 2026-03-26 04:22:28
○ 2026-04-11 19:59:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | - |
| alftaborg.is | ns-1.reykjavik.is, ns-2.reykjavik.is | 2 records |
✅ Authoritative Response
Server:82.112.85.140
NS records: ns-1.reykjavik.is, ns-2.reykjavik.is
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alftaborg.is (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.31.19.172 |
| NS | 2 | ns-2.reykjavik.is, ns-1.reykjavik.is |
| MX | 1 | alftaborg-is.mail.protection.outlook.com |
| TXT | 2 | MS=ms97009212, v=spf1 mx ip4:82.112.64.0/19 a:skyhqamx1 |
| SOA | 1 | ns-1.reykjavik.is hostmaster.reykjavik.i |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-1.reykjavik.is, ns-2.reykjavik.is)
Analysis
IP Addresses
alftaborg.is points to a single IP number: 20.31.19.172.
Other host names, for instance rimaskoli.is, bokmenntaborgin.is, graenaborg.is, borgaskoli.is and bokmenntir.is share IP numbers with alftaborg.is.
Name Servers
alftaborg.is is delegated to two name servers: ns-1.reykjavik.is and ns-2.reykjavik.is.
alftaborg.is uses the same name server setup as other domains, for instance bruarskoli.is, hitthusid.is, heilahristingur.is, blafjoll.is and blasalir.is.
Host names with one IP number:
ns-1.reykjavik.is points to: 82.112.85.140.
ns-2.reykjavik.is points to: 82.112.85.141.
Mail Servers
The mail server for alftaborg.is is alftaborg-is.mail.protection.outlook.com.
Host alftaborg-is.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::8, 52.101.68.3, 52.101.68.16, 52.101.68.27 and 52.101.73.19.