rostrup-by.dk - robtex.com
rostrup-by.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 195.242.130.13🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+ | ||||||
| PTR | web3.netgiganten.dk | ||||||
| NS | ns1.netgiganten.dk ⭐ | ||||||
| A | 2001:67c:564:eeee::11🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS | ||||||
| A | 195.242.130.5🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+ | ||||||
| PTR | ns1.netgiganten.dk | ||||||
| NS | ns2.netgiganten.dk | ||||||
| A | 2a00:1b18:2:3:4::2🇩🇰 DLX-AS2a00:1b18::/29 | ||||||
| A | 62.69.152.38🇩🇰 DLX-AS62.69.152.0/21 DLX | ||||||
| MX | mx1.spamfri.dk ⭐ | ||||||
| A | 2001:67c:564:fffd::1001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS | ||||||
| PTR | mx1.spamfri.dk | ||||||
| A | 195.242.131.16🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+ | ||||||
| PTR | mx1.spamfri.dk | ||||||
| MX | mx2.spamfri.dk(20) | ||||||
| A | 2001:67c:564:fffd::2001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS | ||||||
| PTR | mx2.spamfri.dk | ||||||
| A | 193.200.91.109🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+ | ||||||
| PTR | mx2.spamfri.dk | ||||||
| MX | mx3.spamfri.dk(30) | ||||||
| A | 2a00:1b18:2:3:fe::2🇩🇰 DLX-AS2a00:1b18::/29 | ||||||
| PTR | mx3.spamfri.dk | ||||||
| A | 62.69.152.43🇩🇰 DLX-AS62.69.152.0/21 DLX | ||||||
| TXT | v=spf1 ip4:195.242.130.13 include:_spf.netgiganten.dk ip4:195.242.130.15 +a +... | ||||||
| SOA | ns1.netgiganten.dkhostmaster@mailrelay.e-studio.dk 2026-03-01 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1774833661localtime Mon Mar 30 03:21:01 2026gmtime Mon Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774833661 | ||||||
Subdomains
mail.rostrup-by.dk |
Same first word
rostrup-by.dk |
DNS History
12 records (6 active, 6 former)
●NSns1.netgiganten.dk2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
○NSns1.nli.dk2015-05-13 → 2017-04-03 · 4 obs
● 2017-04-03 00:52:58
○ 2026-02-18 15:33:40
○ 2026-03-30 01:30:16
●NSns2.netgiganten.dk2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
○NSns2.nli.dk2015-05-13 → 2017-04-03 · 4 obs
● 2017-04-03 00:52:58
○ 2026-02-18 15:33:40
○ 2026-03-30 01:30:16
○NSns3.nli.dk2015-05-13 → 2017-04-03 · 4 obs
● 2017-04-03 00:52:58
○ 2026-02-18 15:33:40
○ 2026-03-30 01:30:16
○MXmail.rostrup-by.dk2015-05-13 → 2017-04-03 · 4 obs
● 2017-04-03 00:52:58
○ 2026-02-18 15:33:40
○ 2026-03-30 01:30:16
●MXmx1.spamfri.dk2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
●MXmx2.spamfri.dk2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
●MXmx3.spamfri.dk2026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
●A195.242.130.132026-02-18 → 2026-03-30 · 3 obs
● 2026-02-18 15:33:40
● 2026-03-30 01:30:16
○A81.19.235.302015-05-13 → 2015-10-12 · 4 obs
● 2015-10-12 07:16:16
○ 2016-01-28 18:27:34
○ 2026-03-30 01:30:16
○A91.198.138.302016-01-28 → 2017-04-03 · 5 obs
● 2016-01-28 18:27:34
● 2017-04-03 00:52:58
○ 2026-02-18 15:33:40
○ 2026-03-30 01:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| rostrup-by.dk | ns1.netgiganten.dk, ns2.netgiganten.dk | 2 records |
✅ Authoritative Response
Server:62.69.152.38
NS records: ns1.netgiganten.dk, ns2.netgiganten.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.242.130.13 |
| NS | 2 | ns2.netgiganten.dk, ns1.netgiganten.dk |
| MX | 3 | mx3.spamfri.dk (pri: 30), mx1.spamfri.dk (pri: 10)... |
| TXT | 1 | v=spf1 ip4:195.242.130.13 include:_spf.n |
| SOA | 1 | ns1.netgiganten.dk hostmaster.mailrelay. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.netgiganten.dk, ns2.netgiganten.dk)
Analysis
Hierarchy
The parent of mail.rostrup-by.dk is rostrup-by.dk.
IP Addresses
rostrup-by.dk points to IP number: 195.242.130.13.
Other host names such as supporten.dk, srns.dk, amz.dk, internetgruppen.dk and keldholm.dk share IPs with rostrup-by.dk.
Name Servers
rostrup-by.dk is delegated to two name servers: ns1.netgiganten.dk and ns2.netgiganten.dk.
rostrup-by.dk shares the same name server setup as unika-kunst.dk, pm3.dk, heeweb.dk, kragesoe.dk and wnu.dk.
rostrup-by.dk at least partially shares name servers with other domains, for instance hjemmeserver.com, cazzoonetwork.com, cazzoo-network.com, internethosting4u.com and cazzoo.com.
these name servers are commonly used with ns1.internethosting4u.com, ns2.internethosting4u.com, ns1.dns.services and ns2.dns.services.
Host names with two IP numbers: ns1.netgiganten.dk points to: 2001:67c:564:eeee::11 and 195.242.130.5; ns2.netgiganten.dk points to: 2a00:1b18:2:3:4::2 and 62.69.152.38.
Mail Servers
Three mail servers handle rostrup-by.dk: mx1.spamfri.dk, mx2.spamfri.dk and mx3.spamfri.dk.
rostrup-by.dk shares at least partially some mail servers with other domains, including yazz.dk, brindt.dk, sdf.dk, 1851media.com and itech-rep.dk.
these mail servers are commonly used together with mx4.spamfri.dk.
Host mx1.spamfri.dk points to 2001:67c:564:fffd::1001 and 195.242.131.16; Host mx2.spamfri.dk points to 2001:67c:564:fffd::2001 and 193.200.91.109; Host mx3.spamfri.dk points to 2a00:1b18:2:3:fe::2 and 62.69.152.43.