byrumskole.dk
Last scanned: 2026-09-01 03:56:32  ·  2202ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.202.211.1 600s — AS209242 Cloudflare London, LLC 198.202.211.0/24 🇺🇸 United States —
📧 MX Records5 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 142.251.127.26
2a00:1450:4001:c21::1a		 lcfrai-in-f26.1e100.net
lcfrai-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 142.250.147.26
2a00:1450:4025:c01::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 172.253.152.27
2a00:1450:4010:c22::1b		 yulpptr-in-f27.1e100.net
yulpptr-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   310ms
TXT Record
proxy-ssl.webflow.com
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC249ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
74ms
MX
71ms
AAAA
74ms
TXT
310ms
CAA
108ms
HTTPS
95ms
TLSA
736ms
SOA
0ms
MTA-STS
203ms
DNSSEC
249ms
SRV
161ms
Total
2202ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 03:56:32 2202ms 2 NS 1 A 5 MX 🔒 Secure View
2026-08-23 02:50:12 2669ms 2 NS 1 A 5 MX 🔒 Secure View
2026-08-02 00:32:41 6270ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-30 13:22:41 1460ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-26 10:27:55 1193ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-23 23:15:46 1030ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-20 21:28:30 6539ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-16 18:25:37 661ms 2 NS 1 A 5 MX 🔒 Secure View
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