schulma.dk

📜 Historical scan 2026-09-07 00:42:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

schulma.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mxa.mailgun.org, mxb.mailgun.org. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

2 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mxa.mailgun.org	34.36.182.139	139.182.36.34.bc.googleusercontent.com	AS396982 Google LLC
10	600s	mxb.mailgun.org	34.36.182.139	139.182.36.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 211ms

TXT Record
v=spf1 include:mailgun.org include:spf.mailjet.com -all

✉️ SPF#

Policy	Record (schulma.dk)
-all (hard fail)	v=spf1 include:mailgun.org include:spf.mailjet.com -all

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 04:21:13

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network schulma.dk: 195.47.247.18 (AS51468) www.schulma.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

133ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090406
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 18:45:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-07-22
Expires	2027-07-31 (279d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

78ms

65ms

AAAA

48ms

TXT

211ms

CAA

86ms

HTTPS

38ms

TLSA

237ms

SOA

0ms

MTA-STS

97ms

DNSSEC

133ms

SRV

95ms

Total

1054ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 04:21:13	1774ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-10 18:16:46	1660ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-14 02:38:57	699ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-07 00:42:57 shown	1054ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-16 08:37:19	5093ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-10 17:15:30	997ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-14 19:44:50	8803ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-12 23:19:39	891ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-09 01:56:16	17095ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 14:03:25	2075ms	2 NS 1 A 2 MX	🔒 Secure